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Big Flat Trailhead

The Big Flat Trailhead is the starting point for popular hikes to the Trinity Alps Wilderness including Caribou Lakes.

General Information

For realtime flow data please click on the following link: waterdata.usgs.gov/nwis/uv

Open 24 hours/day

Groups are limited to 10 persons. Water and garbage service are not provided. Bring enough water for drinking, cooking and washing as well as extra water to drown campfires each day. Please take all trash, garbage, fish guts and dog droppings with you when you leave. Dogs on leash only in parking lot and developed areas.

A wilderness permit is required for overnight trips into the Trinity Alps Wilderness. Groups are limited to no more than 10 persons.

No fees are required for this site

No fee

Getting There

Latitude / Longitude

Latitude: 41.06756918

Longitude: -122.9341033

Facility and Amenity Information

Restrooms

Restrooms available nearby

Water

Potable water is not available at this site.

Recreation Opportunities

Last updated June 8, 2026