Lewis and Clark Trail Descent Segment: Three-Mile Historic Route

The Bitterroot Mountains segment of the Lewis and Clark Trail National Historic Trail documents a three-mile route descended by the Corps of Discovery on September 4, 1805. The dataset is provided by the Department of the Interior via Data.gov. Its last update was recorded on March 16, 2026.

Use Cases

• Map historical expedition routes based on the described trail segment.
• Analyze trail accessibility and recreation potential based on the hiking trail description.
• Study historical geography and landmark placement based on the documented route.
• Integrate with other National Trails System data for broader analysis.
• Create educational or interpretive materials based on the specific historical event date.

Strengths

• Data originates from the authoritative Department of the Interior.
• The description provides a specific historical date (September 4, 1805) and a precise trail length (three miles).
• Last update timestamp is precisely documented (2026-03-16 01:47:09.731381).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to this specific trail segment.

Provenance

Source

Department of the Interior

Time Range

Historical event date: September 4, 1805.

Freshness

Last updated 2026-03-16 01:47:09.731381; freshness should be verified.

Geography

Bitterroot Mountains segment of the Lewis and Clark Trail.