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• Organization: Department of the Interior
• Dataset Last Updated: April 11, 2019 at 12:00 AM

This is a vector line ESRI Shapefile showing the approximate designated route of the Oregon National Historic Trail.

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• Organization: Department of the Interior
• Dataset Last Updated: April 19, 2016 at 12:00 AM

The original NPS Auto Route of the Lewis and Clark National Historic Trail, prior to the Trail's extension by Congress (P.L. 90-543, as amended through P.L. 116-9, March 12, 2019). The most...

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• Organization: Department of the Interior
• Dataset Last Updated: March 11, 2026 at 12:00 AM

The Trail Corridor dataset is comprised of a 50-mile buffer on each side of the Lewis and Clark National Historic Trail congressionally designated route. The Lewis and Clark National Historic...

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• Organization: Department of the Interior
• Dataset Last Updated: December 01, 2023 at 12:00 AM

Locations of pivotal events that took place during the Lewis and Clark journey of 1803-1806. These places were identified by Historic Research Associates as part of a project with the National...

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• Organization: Department of the Interior
• Dataset Last Updated: July 31, 2025 at 12:00 AM

This dataset represents the water trails along the Lewis and Clark National Historic Trail. Lewis and Clark’s legendary expedition would not have been possible had they not been able to navigate...

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• Organization: Department of the Interior
• Dataset Last Updated: March 01, 2017 at 12:00 AM

The Lewis and Clark National Historic Trail Auto Route is a system of over 6,100 miles of roads and highways bracketing each side of the Lewis and Clark National Historic Trail, which commemorates...

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• Organization: Department of the Interior
• Dataset Last Updated: May 15, 2019 at 12:00 AM

This data set represents the official National Park Service centerline of the route of the Lewis and Clark National Historic Trail designated by Congress (P.L. 90-543, as amended through P.L....

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• Organization: Department of the Interior
• Dataset Last Updated: April 21, 2025 at 12:00 AM

This dataset represents the areas of the Lewis and Clark National Historic Trail where high-resolution, 360-degree panoramic mapping fieldwork will potentially be conducted in the 2025 field...

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• Organization: Department of the Interior
• Dataset Last Updated: April 14, 2025 at 12:00 AM

This dataset represents the areas of the Lewis and Clark National Historic Trail where high-resolution, 360-degree panoramic mapping fieldwork has been conducted. This mapping inventory has been...

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• Organization: Department of the Interior
• Dataset Last Updated: March 31, 2021 at 12:00 AM

This layer represents campsite locations where Lewis and Clark first scientifically described plant and animal species along the Lewis and Clark National Historic Trail. This dataset was created...

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• Organization: Department of the Interior
• Dataset Last Updated: January 16, 2026 at 12:00 AM

This data set represents a simplified version of the official National Park Service centerline of the Lewis and Clark National Historic Trail Auto Route for use in the National Park Service NP Map...

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• Organization: Department of the Interior
• Dataset Last Updated: April 21, 2025 at 12:00 AM

This web map illustrates the areas of the Lewis and Clark National Historic Trail where high-resolution, 360-degree panoramic mapping fieldwork has been conducted. This mapping inventory has been...

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• Organization: Department of the Interior
• Dataset Last Updated: April 04, 2018 at 12:00 AM

This data set represents the official National Park Service layer of High Potential Historic Sites along the Lewis and Clark National Historic Trail. As of 2024, this feature class represents...

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• Organization: Department of the Interior
• Dataset Last Updated: June 02, 2017 at 12:00 AM

This data set represents the official National Park Service layer of visitor centers and museums along the Lewis and Clark National Historic Trail. As of 2019, this feature class represents the...

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• Organization: Department of the Interior
• Dataset Last Updated: March 04, 2021 at 12:00 AM

This dataset represents the historic locations where Lewis and Clark and the Corps of Discovery camped along the Missouri River during the 1804-1805 outbound journey of the Lewis and Clark...

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• Organization: Department of the Interior
• Dataset Last Updated: June 19, 2018 at 12:00 AM

This dataset represents the historic tributaries and streams documented by Lewis and Clark and the Corps of Discovery along the Missouri River during the 1804-1805 outbound journey of the Lewis...

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• Organization: Department of the Interior
• Dataset Last Updated: November 26, 2025 at 12:00 AM

As of 2025, this data set represents the official National Park Service centerline of the Lewis and Clark National Historic Trail Auto Route. The spatial data was created by the National Park...

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• Organization: Department of the Interior
• Dataset Last Updated: February 02, 2026 at 12:00 AM

This webmap highlights the official National Park Service centerline of the Lewis and Clark National Historic Trail Auto Route. The spatial data was created by the National Park Service with the...

• Organization: Department of the Interior
• Dataset Last Updated: June 19, 2018 at 12:00 AM

This dataset represents the historic locations documented by Lewis and Clark and the Corps of Discovery along the Missouri River during the 1804-1805 outbound journey of the Lewis and Clark...

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• Organization: Department of the Interior
• Dataset Last Updated: March 04, 2021 at 12:00 AM

This layer represents locations of observations taken on the outbound journey of the Lewis and Clark Expedition as noted in the Lewis and Clark Journals. These locations were determined by James...

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