Best lakes in Trinity County are found amidst the Trinity Alps Wilderness, a vast area known for its granite peaks and numerous alpine lakes. The region's geography includes large reservoirs like Trinity Lake, Lewiston Lake, and Ruth Lake, alongside smaller, secluded mountain lakes. These bodies of water offer diverse natural landscapes and recreational opportunities. Trinity County is characterized by its mountainous terrain and extensive forest cover.
Last updated: April 25, 2026
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Popular around Trinity County
This is the smallest of the alpine lakes on the Four Lakes Loop. From here you get views of the upper Stuart Fork Valley toward Morris Meadow.
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This is the largest of the four beautiful alpine lakes beneath Siligo Peak. The route to the summit picks up near where the trail from Summit Lake rejoins the Four Lakes Loop.
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Granite Lake sits in a basin formed by the tall shoulders of Gibson Peak, which rises up to 8400 feet. There is a wide, flat chunk of bedrock near the trail which makes for the perfect picnic spot on the water's edge.
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Trinity Alps Wilderness covers over half a million acres and has 550 miles of trails, 55 lakes, towering granite peaks, and wildflower filled meadows, making it a true outdoor paradise.
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Whether camping, fishing, or just stopping for a picnic, Middle Deadfall Lake is a fine place to spend the day. The lake is large, and is an optimal destination to fish for trout, specifically brook, rainbow, and occasionally brown. Fly fishing is especially good here.
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A single-track trail that winds through the oak woodlands contouring above the reservoir and exploring the swales and hollows of the area. https://www.thewatershedcenter.com/ewing-trail
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The ridge will surprise you with great views over blue and turquoise lakes just below you. Take a moment, before you descent into the trees.
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Leave the PCT and follow the Seven Lakes Trail to pristine alpine lakes with Helen Lake as the closest from this location.
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Trinity Lake is ideal for various water sports, including houseboating, waterskiing, and jet skiing, thanks to its extensive shoreline and numerous inlets. Ruth Lake also offers diverse water activities like boating, waterskiing, and swimming.
Trinity Lake is renowned for smallmouth and largemouth bass, trout, steelhead, and Kokanee salmon. Lewiston Lake is a blue-ribbon fly-fishing destination, particularly for rainbow, brown, and brook trout. Ruth Lake is popular for bass, crappie, and rainbow trout, while Middle Deadfall Lake is an optimal spot for brook, rainbow, and brown trout.
Yes, several lakes are great for families. Middle Deadfall Lake is suitable for camping, fishing, or picnicking. Within the Trinity Alps Wilderness, Boulder Lakes, Lake Eleanor, Shimmy Lake, and Hidden Lake are also considered ideal for families due to their easy-to-moderate hikes and amenities.
Trinity County offers a variety of hiking trails near its lakes. You can explore routes like the difficult Canyon Creek Lakes Trail or the moderate Granite Lake via Swift Creek Trail, both in the Trinity Alps Wilderness. Other options include the moderate Seven Lakes from Gumboot Trailhead and the easy Ewing Reservoir trail. For more details on hiking, visit the Hiking in Trinity County guide.
Lewiston Lake is excellent for canoeing, kayaking, and float tubing due to its tranquil, river-like character and a strict 10 mph speed limit for motorized boats. Ruth Lake also allows kayaking and other paddle sports.
The lakes are set against diverse natural backdrops. Trinity Lake is surrounded by the majestic Trinity Alps, offering breathtaking alpine scenery. Lewiston Lake is nestled in a canyon between the Trinity and Marble Mountains. The Trinity Alps Wilderness itself features towering granite peaks, wildflower-filled meadows, and numerous alpine lakes like Granite Lake and Diamond Lake.
The climate in Trinity County offers warm summers, which are ideal for enjoying water sports and hiking around the lakes. While winters are cool, many recreational activities are best enjoyed during the warmer months when lake levels are typically higher and trails are more accessible.
Yes, camping is widely available. Trinity Lake offers numerous campgrounds and resorts like Pinewood Cove Campground & Resort. Lewiston Lake has developed campgrounds, and Ruth Lake features over half a dozen campgrounds and day-use picnic areas, most with beach access. Many alpine lakes in the Trinity Alps Wilderness, such as Boulder Lakes, also provide ample campsites.
Lewiston Lake stands out for its serene atmosphere, enforced by a 10 mph speed limit for motorized boats, making it perfect for quiet activities like canoeing and fly fishing. It's also a renowned 'blue-ribbon fly-fishing lake' known for trophy-sized trout and plays a crucial role in supporting salmon and steelhead spawning downstream.
Lewiston Lake offers accessible fishing piers, making it a good option for visitors seeking accessible facilities. It's always recommended to check specific campground or marina details for further accessibility information.
The diverse ecosystems around Trinity County lakes support various wildlife. While specific species are not detailed, the region's extensive forests and wilderness areas, including the Shasta-Trinity National Forest, are home to numerous bird species, deer, and other forest animals. Lewiston Lake also supports salmon and steelhead spawning, indicating a healthy aquatic ecosystem.
Ruth Lake is known for hosting various local events, including fishing tournaments, the annual Ruth Lake Summer Festival, and the Ruth Rodeo, providing a vibrant community atmosphere alongside recreational opportunities.
The Trinity Alps Wilderness offers many scenic viewpoints. For instance, you can find great views over blue and turquoise lakes from the ridge near Middle Boulder Lake. Additionally, View of Bluff Lake and View of Bull Lake provide idyllic alpine panoramas.


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