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An image depicting the trail North Fork Trinity River to Grizzly Lake and its surrounding area.
star 4.5 (6) · Extra Difficult

North Fork Trinity River to Grizzly Lake

Trinity County, California

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Trail length

26.9 km

Time

~2 days

Elevation Gain

1677 m

Hike Type

Multi-Day

“Trek the North Fork Trinity River to Grizzly Lake trail for a demanding yet stunning wilderness adventure.”

What to expect?

waterfalls
rivers
lakes

Activity types

nature-trips

Frequently asked questions

How long is the North Fork Trinity River to Grizzly Lake hike and how hard is it?

The North Fork Trinity River to Grizzly Lake hike is 26.88 km, or about 16.7 miles, with 1,677 m of elevation gain. That combination of distance and climbing puts it firmly in the Extra Difficult category, and it is generally treated as a demanding backcountry route rather than a casual day hike.

How many days does the North Fork Trinity River to Grizzly Lake hike usually take?

North Fork Trinity River to Grizzly Lake is best planned as a multi-day trip. With nearly 27 km of travel and 1,677 m of ascent, most hikers break it into an overnight or two-day backpacking itinerary, especially because the route climbs from the North Fork Trinity River drainage up to alpine country near Grizzly Lake.

Where is the trailhead for the North Fork Trinity River to Grizzly Lake hike?

The route starts in the Trinity Alps Wilderness near Trinity Center in Trinity County, California, with access commonly described from the Hobo Gulch area off Highway 3. The hike begins near the North Fork Trinity River and then heads deeper into the wilderness toward Grizzly Creek and Grizzly Lake.

Is there parking for the North Fork Trinity River to Grizzly Lake hike?

Parking is typically associated with the Hobo Gulch trailhead area used for access to the North Fork Trail in the Trinity Alps Wilderness. Trailhead parking in this part of Trinity County is remote rather than urban, so hikers usually arrive by private vehicle and should expect limited services once off Highway 3.

Are dogs allowed on the North Fork Trinity River to Grizzly Lake hike?

Dogs are generally allowed on trails in the Trinity Alps Wilderness, including routes that use the North Fork Trail toward Grizzly Lake. Because this is a long, steep backcountry hike with rocky sections and major elevation gain, it is only suitable for trail-fit dogs that can handle a strenuous multi-day outing.

What are the main landmarks on the North Fork Trinity River to Grizzly Lake hike?

Key landmarks on North Fork Trinity River to Grizzly Lake include the North Fork Trinity River itself, the Grizzly Creek drainage, Grizzly Falls, and Grizzly Lake. Forest Service trail information for the area also notes that this route leads toward high country views near Thompson Peak, one of the major summits in the Trinity Alps.

When is the best time of year to hike North Fork Trinity River to Grizzly Lake?

The usual hiking season for North Fork Trinity River to Grizzly Lake is summer into early fall, when higher-elevation snow has mostly melted. In the Trinity Alps, snow can linger well into July in heavy years, so early-season trips may still encounter snowfields, cold creek conditions, and slower travel near the lake basin.

Comments and Reviews

User comments, reviews and discussions about the North Fork Trinity River to Grizzly Lake, California.

4.5 star

average rating out of 5

6 rating(s)