U.S. Geological Survey — Wayproof evidence

Claims and evidence

County boundary

Highest point of

Land boundary

Evidence and sources (2)

No claim effective interval recorded.

Spatial scope IDs: scope-peak-mount-whitney

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
Evidence stance: supports · Evidence details
The USGS state high-point table identifies Mount Whitney in Inyo–Tulare as California's highest point and publishes an elevation of 14,494 feet.
Publisher
U.S. Geological Survey
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: U.S. Geological Survey

Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-peak-mount-whitney

Evidence stance: supports · Evidence details
The USGS state high-point table identifies Mount Whitney in Inyo–Tulare as California's highest point and publishes an elevation of 14,494 feet.
Publisher
U.S. Geological Survey
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: U.S. Geological Survey

Browse observations separately (1)

The USGS state high-point table identifies Mount Whitney in Inyo–Tulare as California's highest point and publishes an elevation of 14,494 feet.

Retrieval time does not establish when an event occurred.

wp-20260923-whitney-human-planning-foundation: ADD — Publish a human-useful Mount Whitney identity, approach, source-conflict, and recheck foundation.

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

Historical evidence is not a guarantee of current conditions.