National Park Service

source · source-nps-yosemite-hetch-hetchy-hikes

Original source: National Park Service

Claims and evidence

Visitor use rules

Boating
No
Pets on dam or hiking trails
No
Reason
protect drinking-water source
Swimming
No
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Ordered route geometry

Distance status
published at route level only
Route shape
out and back objective corridor
Segment ids
  • route-segment-yosemite-hetch-hetchy-nps-22819
Start node id
trailhead-poopenaut-valley
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    The official Hetch Hetchy map and route descriptions establish the Wapama shoreline path, Poopenaut Valley path, route starts, and objectives used in this graph.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Elevation change ft
1279
Objective entity ids
  • valley-poopenaut
Operational status requires current check
Yes
Profile
steep descent and strenuous return climb
Published start entity id
trailhead-poopenaut-valley
Round trip miles
2.5
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Elevation gain ft
3300
Objective entity ids
  • peak-smith
Operational status requires current check
Yes
Published start entity id
entrance-yosemite-hetch-hetchy
Round trip miles
16.0
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Ordered route geometry

Distance status
published at route level only
Route shape
out and back objective corridor
Segment ids
  • route-segment-yosemite-hetch-hetchy-nps-15302
  • route-segment-yosemite-hetch-hetchy-nps-20889
  • route-segment-yosemite-hetch-hetchy-nps-20767
  • route-segment-yosemite-hetch-hetchy-nps-15865
  • route-segment-yosemite-hetch-hetchy-nps-22149
  • route-segment-yosemite-hetch-hetchy-nps-16728
  • route-segment-yosemite-hetch-hetchy-nps-20830
  • route-segment-yosemite-hetch-hetchy-nps-16804
  • route-segment-yosemite-hetch-hetchy-nps-21750
  • route-segment-yosemite-hetch-hetchy-nps-16595
  • route-segment-yosemite-hetch-hetchy-nps-15187
Start node id
trailhead-wapama-rancheria
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    The official Hetch Hetchy map and route descriptions establish the Wapama shoreline path, Poopenaut Valley path, route starts, and objectives used in this graph.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Recorded observations

Browse observations separately (2)

The official Hetch Hetchy map and route descriptions establish the Wapama shoreline path, Poopenaut Valley path, route starts, and objectives used in this graph.

Publisher
National Park Service
Observer / attribution
Not recorded
Observed at
Unknown
Retrieved at
2026-09-26T00:00:00+00:00

Retrieval time does not establish when an event occurred.

Observation details · Source details · Original source: National Park Service

NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

Publisher
National Park Service
Observer / attribution
Not recorded
Observed at
Unknown
Retrieved at
2026-09-25T00:00:00+00:00

Retrieval time does not establish when an event occurred.

Observation details · Source details · Original source: National Park 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.