Check before choosing this trip

Rules can change across jurisdictions. Each fact below belongs to the named place; a connected place is not automatically part of your itinerary. This is recorded evidence; recheck current rules and conditions before travel.

Selected place

Morgan Pass Trail from Mosquito Flat

Pretrip current conditions recheck

Required
Yes
Topics
  • Rock Creek Road access
  • trail conditions
  • weather and early snow
  • fire restrictions
  • trailhead parking and facilities
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-rock-creek-corridor, scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek, scope-route-tamarack-lakes-rock-creek, scope-route-hilton-lakes-rock-creek

  1. Evidence stance: supports · Evidence details

    The Inyo National Forest alerts page is the current operational source for forest orders, fire restrictions, closures, and access notices affecting Rock Creek travel.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: USDA Forest Service

Source: USDA Forest Service. Retrieved: 2026-09-23.

Still unresolved

Review unresolved questions · Compare connected places and approaches

Route map

This overview is built from a reviewed, versioned source snapshot. It is planning evidence, not navigation-grade mapping.

Interactive map loads when scrolled into view.

StartDestination5.48 miles one way

Download generated GeoJSON · 7 canonical segments · source geometry accuracy not reported

Plan a visit

Requirements and current conditions

Overnight wilderness permit required

Recorded for: Inyo National Forest Overnight Wilderness Permit

Applies to
overnight trips entering John Muir Wilderness from the Rock Creek routes
Required year round
Yes
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek, scope-route-tamarack-lakes-rock-creek, scope-route-hilton-lakes-rock-creek

  1. Evidence stance: supports · Evidence details

    The current Inyo wilderness permit page requires wilderness permits year round for overnight trips in John Muir Wilderness, releases 60 percent of quota six months ahead and 40 percent two weeks ahead at 7 a.m. Pacific, requires the signed permit to be carried, and cancels an unprinted permit at 10 a.m. on the entry date.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: Recreation.gov / Inyo National Forest

Pretrip current conditions recheck

Recorded for: Rock Creek Canyon

Required
Yes
Topics
  • Rock Creek Road access
  • trail conditions
  • weather and early snow
  • fire restrictions
  • trailhead parking and facilities
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-rock-creek-corridor, scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek, scope-route-tamarack-lakes-rock-creek, scope-route-hilton-lakes-rock-creek

  1. Evidence stance: supports · Evidence details

    The Inyo National Forest alerts page is the current operational source for forest orders, fire restrictions, closures, and access notices affecting Rock Creek travel.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: USDA Forest Service

Routes and geography

Official dataset route segment

Recorded for: Little Lakes Valley segment

Coordinate reference system
EPSG:4269
Dataset feature id
{E5EAA451-A87B-42A2-93E3-B0E96FCE0DDA}
Dataset feature name
LITTLE LAKES VALLEY
Dataset field
lengthmiles
Distance miles
3.10421564
Distance status
known
End coordinate
Latitude
37.39136930029423
Longitude
-118.75105991465682
Geometry snapshot
Feature id
{E5EAA451-A87B-42A2-93E3-B0E96FCE0DDA}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
1491
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.42904157002738
Longitude
-118.75098319486528
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Morgan Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{4906AB08-A650-40B1-9A17-7E928EB568C7}
Dataset feature name
MORGAN PASS
Dataset field
lengthmiles
Distance miles
0.008770420000000001
Distance status
known
End coordinate
Latitude
37.391287069044324
Longitude
-118.75094223132368
Geometry snapshot
Feature id
{4906AB08-A650-40B1-9A17-7E928EB568C7}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
2827
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.39136930029423
Longitude
-118.75105991465682
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Morgan Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{15B6A5A2-2E32-4425-8B58-BB64761863F4}
Dataset feature name
MORGAN PASS
Dataset field
lengthmiles
Distance miles
1.6944693499999999
Distance status
known
End coordinate
Latitude
37.38336132009829
Longitude
-118.72512040532206
Geometry snapshot
Feature id
{15B6A5A2-2E32-4425-8B58-BB64761863F4}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
6871
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.391287069044324
Longitude
-118.75094223132368
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Morgan Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{A27043A6-695F-46A7-9201-719CBC307BE0}
Dataset feature name
MORGAN PASS
Dataset field
lengthmiles
Distance miles
0.17733849000000002
Distance status
known
End coordinate
Latitude
37.38120818572662
Longitude
-118.7235085105329
Geometry snapshot
Feature id
{A27043A6-695F-46A7-9201-719CBC307BE0}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
5920
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.38336132009829
Longitude
-118.72512040532206
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Mono Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{3641DF33-6BC5-4367-9CC8-2ACEBF3F4B06}
Dataset feature name
MONO PASS
Dataset field
lengthmiles
Distance miles
0.34420271
Distance status
known
End coordinate
Latitude
37.43083587731627
Longitude
-118.74971230528394
Geometry snapshot
Feature id
{3641DF33-6BC5-4367-9CC8-2ACEBF3F4B06}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
2625
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.43517256793456
Longitude
-118.74716727403785
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Mono Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{68032017-5FF6-4F82-ADD6-9643248FA2ED}
Dataset feature name
MONO PASS
Dataset field
lengthmiles
Distance miles
0.139109
Distance status
known
End coordinate
Latitude
37.42920080648548
Longitude
-118.75088060736545
Geometry snapshot
Feature id
{68032017-5FF6-4F82-ADD6-9643248FA2ED}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
6896
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.43083587731627
Longitude
-118.74971230528394
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Mono Pass segment

Coordinate reference system
EPSG:4269
Dataset feature id
{DBBF64BE-76AD-49B1-83EF-2C90D9DC9BCA}
Dataset feature name
MONO PASS
Dataset field
lengthmiles
Distance miles
0.01250854
Distance status
known
End coordinate
Latitude
37.42904157002738
Longitude
-118.75098319486528
Geometry snapshot
Feature id
{DBBF64BE-76AD-49B1-83EF-2C90D9DC9BCA}
Path
geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
Sha256
cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a
Operational status requires current check
Yes
Route role
official mainline
Source data description
USFS Trails Update 03/2026
Source dataset id
{8CC4DB36-D0BE-4189-88C7-64C3569EB754}
Source edit date
1774742400000
Source feature id
2624
Source load date
1777310283000
Source mode attributes
Hiker pedestrian
Unknown
Pack saddle
Unknown
Source originator
U.S. Forest Service
Start coordinate
Latitude
37.42920080648548
Longitude
-118.75088060736545
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    A bounded USGS National Digital Trails query returned U.S. Forest Service-originated distance-bearing features for the shared Mosquito Flat approach, Little Lakes Valley, Mono Pass, Morgan Pass, Tamarack Lakes, and Hilton Lakes. Twenty-five reviewed features are retained in an immutable snapshot; geometry and source-field distances do not by themselves establish visitor itinerary semantics.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey / U.S. Forest Service

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson
    • cbbaa853ee6d4ad8a8d995ab91270b7154a5fe3643ac1cb666d43f53c59b600a

    References are not a confirmation of current availability.

Route profile

Recorded for: Morgan Pass Trail from Mosquito Flat

Bidirectional
Yes
Distance basis
sum of reviewed USGS source-field lengthmiles values
Map role
principal Rock Creek hiking route
Name
Morgan Pass Trail from Mosquito Flat
One way distance miles from source features
5.48061415
Sampled elevation profile
Approximate cumulative gain ft
1140
Approximate cumulative loss ft
810
End elevation ft
10548
Gain loss method
sum of consecutive USGS 3DEP samples along reviewed route geometry
Maximum elevation ft
11107
Minimum elevation ft
10224
Precision
approximate
Sample count
90
Sample spacing meters
100
Start elevation ft
10224
Evidence and sources (2)

No claim effective interval recorded.

Spatial scope IDs: scope-route-morgan-pass-rock-creek

  1. Evidence stance: supports · Evidence details

    The official Rock Creek Area Trails map depicts Rock Creek Road, the Palisade, East Fork, Pine Grove, Upper Pine Grove, Rock Creek Lake, and Tamarack developed corridor, three upper-canyon trailheads, John Muir Wilderness, and named Little Lakes, Mono Pass, Tamarack Lakes, and Hilton Creek/Lakes routes. It also labels the lakes and passes associated with those routes.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: USDA Forest Service, Inyo National Forest

    Recorded artifact references
    • Rock Creek Area Trails, one-page map

    References are not a confirmation of current availability.

  2. Evidence stance: supports · Evidence details

    Wayproof sampled each reviewed Rock Creek route geometry at approximately 100-meter intervals against the USGS 3DEP elevation service. Cumulative gain and loss are sums between samples and are approximate rather than surveyed or source-published trail values.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: U.S. Geological Survey, 3D Elevation Program

    Recorded artifact references
    • geometry/v0/snapshots/usgs-rock-creek-principal-routes-20260923.geojson

    References are not a confirmation of current availability.

More planning facts

Wilderness travel practices

Recorded for: John Muir Wilderness

Goat closure
Area
south end of Little Lakes Valley including Treasure Lakes, Morgan Pass, and Morgan Lakes
Closed to
goats
Pack stock right of way
Yes
Treat surface water
Yes
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek, scope-route-tamarack-lakes-rock-creek, scope-route-hilton-lakes-rock-creek

  1. Evidence stance: supports · Evidence details

    The official wilderness hiking guide describes access from Rock Creek Canyon to Mosquito Flat, Little Lakes Valley, Mono Pass, and Tamarack Lakes; identifies a goat closure at the south end of Little Lakes Valley including Treasure Lakes, Morgan Pass, and Morgan Lakes; recommends treating surface water; and states that pack stock have right of way.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: USDA Forest Service, Inyo National Forest

    Recorded artifact references
    • Wilderness Hiking: Rock Creek Canyon

    References are not a confirmation of current availability.

Explore related places

Access and approaches (1)

Places and facilities (2)

Land and management (7)

Routes and related places (2)

Before you go

These open questions need confirmation; Wayproof does not fill them with guesses.

What authoritative source establishes typical duration and a consistent difficulty or technical grade for each Rock Creek route?

The reviewed official sources establish route identity, geometry, distance, mapped context, and an approximate 3DEP elevation profile. They do not publish a consistent duration or difficulty classification, so Wayproof does not derive one from distance and gain alone.

Open question. Linked evidence does not resolve this gap.

No specific claim evidence is linked to this question.

What road, trail, parking, restroom, water, weather, and fire conditions will apply near departure?

Rock Creek Road and high-elevation facilities are seasonally and weather sensitive; current official alerts and conditions must be checked.

Open question. Linked evidence does not resolve this gap.

Pretrip current conditions recheck

Required
Yes
Topics
  • Rock Creek Road access
  • trail conditions
  • weather and early snow
  • fire restrictions
  • trailhead parking and facilities
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-rock-creek-corridor, scope-route-little-lakes-valley, scope-route-mono-pass-rock-creek, scope-route-morgan-pass-rock-creek, scope-route-tamarack-lakes-rock-creek, scope-route-hilton-lakes-rock-creek

  1. Evidence stance: supports · Evidence details

    The Inyo National Forest alerts page is the current operational source for forest orders, fire restrictions, closures, and access notices affecting Rock Creek travel.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: USDA Forest Service

Sources, evidence, and history

Planning facts above are readable first. Open these records when you need to audit a source or see when knowledge changed.

Evidence for 11 published claims
Published ChangeSet history

Canonical data is historical evidence, not a guarantee of current conditions. Recheck volatile facts before travel.