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National Monument Stories & local character

Alibates Flint Quarries: Ancient Stone Tools, Guided Tours Only

The monument covers 1,371 acres along the Canadian River. People quarried the colorful agatized dolomite flint here for thousands of years to make tools and weapons. The flint comes in shades of red, orange, purple, and white, and has been found at archaeological sites across North America.

Access to the quarry sites is by guided tour only, departing at 10 a.m. Reservations are required. The monument is administered jointly with Lake Meredith NRA. Call 806-886-3826 or visit nps.gov/alfl to book a tour.

Content last revised 2026-07-11

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