Mosquito Lakes to Bull Run Lake Trail

The trail begins near Mosquito Lakes. Parking is available at the Mosquito Lakes Trailhead. It's a popular spot, so arriving earlier in the day is recommended, especially during peak season, to secure a parking space.

The ideal time to hike this trail is typically between June and October. During these months, the snow has usually melted, and the weather is generally favorable for exploring the high country.

The trail primarily traverses uneven, granite terrain, so sturdy footwear with good ankle support is essential. You'll encounter a mix of uphill and downhill sections, including some significant climbs and steep, rocky areas, particularly closer to Bull Run Lake and near junctions for other lakes like Heiser Lake. The trail can also be exposed in high-altitude areas.

Permits are required for overnight visits to the Carson-Iceberg Wilderness, which this trail accesses. For day hikes, a permit is generally not needed, but it's always a good idea to check the latest regulations with the Forest Service. You can find more information on permits and regulations via usda.gov or recreation.gov.

While komoot rates this trail as 'easy', the research suggests it's generally considered best for intermediate hikers and families with older children due to its uneven granite terrain, significant climbs, and steep, rocky sections. It's not typically recommended for very young children or absolute beginners without prior hiking experience.

Yes, dogs are generally allowed on this trail. However, it's crucial to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Always practice Leave No Trace principles, including packing out all pet waste.

You'll experience a beautiful granite landscape dotted with mixed-conifers and wildflowers. A major highlight is passing not one, but three alpine lakes. As you climb, you'll get sweeping views of the surrounding mountains, including the Mokelumne Wilderness, Wheeler Ridge, Mokelumne Peak, Round Top, and the Raymond/Reynolds peak area, especially during the final ascent to Bull Run Lake.

Yes, the route provides access to other destinations like Heiser Lake and Stanislaus Meadow. It also offers the option to connect to the Emigrant/Mokelumne Coast to Crest Trail. Additionally, sections of the official

Heiser Lake Trail

Bull Run Lake Trail

The full out-and-back hike is approximately 6.1 kilometers (3.8 miles) and typically takes around 3 hours and 56 minutes to complete, depending on your pace and how long you spend enjoying the views at Bull Run Lake.

The trail can be exposed in high-altitude areas, so it's wise to check the forecast for afternoon thunderstorms, especially during summer. In some areas, particularly without snow, the trail might be somewhat hard to follow, so paying attention to trail markers is important. Always be prepared for changing mountain weather.

Beyond the initial two miles, be prepared for a significant climb, potentially over 1000 feet in 2.5 miles, with steep and rocky sections. While the trail is generally well-defined, some parts can be harder to follow, especially in areas without snow, so good navigation skills or a downloaded map are recommended. Sturdy, ankle-supporting footwear is a must for the uneven granite terrain.