National Park Service

source · source-nps-yosemite-half-dome-day-hike

Original source: National Park Service

Claims and evidence

Published route profile

Elevation gain ft
4800
Objective entity ids
  • peak-half-dome
Operational status requires current check
Yes
Permit topic requires separate evaluation
Yes
Published start entity id
trailhead-happy-isles
Round trip miles range
  • 14.0
  • 16.0
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-yosemite-valley

  1. Evidence stance: supports · Evidence details

    NPS describes the 14-to-16-mile Half Dome day hike, its 4,800 feet of gain, Happy Isles start, parking and early-start walking access, and the separate Half Dome permit topic.

    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

Recorded observations

Browse observations separately (1)

NPS describes the 14-to-16-mile Half Dome day hike, its 4,800 feet of gain, Happy Isles start, parking and early-start walking access, and the separate Half Dome permit topic.

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.