USDA Forest Service

source · source-usfs-mono-basin-day-hikes

Original source: USDA Forest Service

Claims and evidence

Area profile

Destination
place-twenty-lakes-basin
Managing unit
agency-inyo-national-forest
Principal route
route-lundy-canyon
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-place-lundy-canyon

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Route profile

Destination
20 Lakes Basin
Lower fraction
bottom two-thirds are easier
One way miles
5.4
Upper fraction
upper third uses steep switchbacks
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-lundy-canyon

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Route profile

Destination
Parker Lake
One way miles
1.8
Published rating
easiest
Round trip miles
3.6
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-parker-lake

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Published route profile

One way miles
2.2
Route shape
out and back
Shared fork miles
1.5
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-fern-lake-june

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Published route profile

One way miles
3.8
Route shape
out and back
Shared fork miles
1.5
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-yost-lake

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Trailhead operational profile

Parking
Capacity
unknown
Overflow
extra parking approximately one mile down-canyon
Present
Yes
Potable water
Status
unknown
Road access
Distance from lundy lake miles
2
Surface
dirt on final approach beyond Lundy Lake
Route connector
Description
Official guide depicts the Lundy Canyon route beginning at trailhead parking.
Exact geometry
schematic
Status
depicted
Toilets
Status
unknown
Evidence and sources (1)

No claim effective interval recorded.

No claim spatial scope recorded.

  1. Evidence stance: supports · Evidence details

    The guide places Lundy Canyon trail access on Lundy Lake Road seven miles north of Lee Vining and the trailhead parking two miles west of Lundy Lake. It identifies extra parking about one mile down-canyon and depicts the final approach beyond Lundy Lake as dirt road. It places the Yost/Fern trailhead about one mile south of Silver Lake on paved Highway 158 and depicts both routes beginning at that trailhead. It does not publish stall counts, toilets, potable water, or Yost/Fern overflow parking.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T22:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

    Recorded artifact references
    • Mono Basin Day Hikes, pages 1-2

    References are not a confirmation of current availability.

Trailhead operational profile

Parking
Capacity
unknown
Overflow
unknown
Status
unknown
Potable water
Status
unknown
Road access
Location
approximately one mile south of Silver Lake on Highway 158
Surface
paved
Route connector
Description
Official guide depicts the shared Yost/Fern route beginning at the trailhead.
Exact geometry
schematic
Status
depicted
Toilets
Status
unknown
Evidence and sources (1)

No claim effective interval recorded.

No claim spatial scope recorded.

  1. Evidence stance: supports · Evidence details

    The guide places Lundy Canyon trail access on Lundy Lake Road seven miles north of Lee Vining and the trailhead parking two miles west of Lundy Lake. It identifies extra parking about one mile down-canyon and depicts the final approach beyond Lundy Lake as dirt road. It places the Yost/Fern trailhead about one mile south of Silver Lake on paved Highway 158 and depicts both routes beginning at that trailhead. It does not publish stall counts, toilets, potable water, or Yost/Fern overflow parking.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T22:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

    Recorded artifact references
    • Mono Basin Day Hikes, pages 1-2

    References are not a confirmation of current availability.

Route profile

Fern beyond fork miles
0.7
Fern total one way miles
2.2
Shared distance to fork miles
1.5
Yost beyond fork miles
2.3
Yost total one way miles
3.8
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-trailhead-yost-fern

  1. Evidence stance: supports · Evidence details

    The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

    Publisher
    USDA Forest Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T23:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Recorded observations

Browse observations separately (2)

The guide places Lundy Canyon trail access on Lundy Lake Road seven miles north of Lee Vining and the trailhead parking two miles west of Lundy Lake. It identifies extra parking about one mile down-canyon and depicts the final approach beyond Lundy Lake as dirt road. It places the Yost/Fern trailhead about one mile south of Silver Lake on paved Highway 158 and depicts both routes beginning at that trailhead. It does not publish stall counts, toilets, potable water, or Yost/Fern overflow parking.

Publisher
USDA Forest Service
Observer / attribution
Not recorded
Observed at
Unknown
Retrieved at
2026-09-25T22:00:00+00:00

Retrieval time does not establish when an event occurred.

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

Recorded artifact references
  • Mono Basin Day Hikes, pages 1-2

References are not a confirmation of current availability.

The Mono Basin day-hike guide maps Parker Lake, Yost and Fern Lakes, and Lundy Canyon. Parker Lake is 1.8 miles one way. The Yost/Fern route splits 1.5 miles from its trailhead; Fern Lake is another 0.7 mile and Yost Lake another 2.3 miles. Lundy Canyon reaches 20 Lakes Basin in 5.4 miles one way; its bottom two-thirds are easier and its upper third climbs steep switchbacks. The guide publishes road and parking directions for each trailhead.

Publisher
USDA Forest Service
Observer / attribution
Not recorded
Observed at
Unknown
Retrieved at
2026-09-23T23:00:00+00:00

Retrieval time does not establish when an event occurred.

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

Published record history

History lists published operations; it does not reconstruct removed content or confirm that external media remains available.

JSON

Historical evidence is not a guarantee of current conditions.