National Park Service

No claim effective interval recorded.

Spatial scope IDs: scope-peak-mount-whitney

1. Evidence stance: supports · Evidence details

   NPS identifies Mount Whitney as the tallest peak in the lower 48, on the Sequoia National Park–Inyo National Forest boundary. It publishes a 14,505-foot NAVD88 summit elevation, the 10.7-mile Whitney Portal approach, seasonal equipment qualification, and a roughly 60-mile west-side High Sierra Trail approach.

   Publisher

   National Park Service

   Observer / attribution

   Not recorded

   Observed at

   Unknown

   Retrieved at

   2026-09-23T01:00:00+00:00

   Retrieval time does not establish when an event occurred.

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

2. Evidence stance: supports · Evidence details

   NPS publishes the High Sierra Trail as a west-side Mount Whitney approach: 49 miles to the JMT junction plus about 13 miles to the summit, with a High Sierra Trail wilderness permit required and a detailed sequence including Guitar Lake, the summit, Trail Camp, Outpost Camp, and Whitney Portal.

   Publisher

   National Park Service

   Observer / attribution

   Not recorded

   Observed at

   Unknown

   Retrieved at

   2026-09-23T01:00:00+00:00

   Retrieval time does not establish when an event occurred.

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