Rat Lake Trail

The main route to Rat Lake is approximately 12.5 kilometers (7.8 miles) round trip and typically takes around 1 hour and 35 minutes to complete on a mountain bike. This duration can vary based on your fitness level and how much time you spend enjoying the scenery at Rat Lake.

The Rat Lake Trail is rated as difficult overall. While the initial segment to the lake is often described as 'short and sweet' and 'family friendly' with moderate elevation gain, continuing beyond the lake towards Garnet Mountain involves challenging ascents, including sections rated 'Hard' physically and 'Black Diamond' for climbing difficulty. Riders should be prepared for two particularly steep and loose sections.

The trail begins with a short, steep singletrack section, then transitions into a dirt road (doubletrack) that leads up to Rat Lake. Much of the route follows a closed road, with generally moderate climbing, though you will encounter two notably steep and loose sections.

The trail leads to a picturesque small mountain lake within the scenic Custer Gallatin National Forest. You can expect to see towering pine trees, lush undergrowth, and scenic streams. The area is home to abundant wildlife, including various bird species, elk, and deer. The 'teardrop shape' of Rat Lake offers a photogenic highlight, with stunning views of the surrounding mountains and valleys.

Yes, the Rat Lake Trail is generally dog-friendly. As it is located within the Custer Gallatin National Forest, dogs are typically allowed but should be kept under control, preferably on a leash, to protect wildlife and ensure a pleasant experience for all trail users. Be aware of free-range cattle in the area.

The Rat Lake Trail is located within the Custer Gallatin National Forest. Generally, there are no specific permits or entrance fees required for day use of trails in National Forests. However, it's always a good idea to check the official Custer Gallatin National Forest website for any current regulations, seasonal gate closures, or specific requirements before your visit.

The best time to mountain bike the Rat Lake Trail is typically from late spring through early fall, when the snow has melted and the weather is favorable. Seasonal gate closures on access roads can affect availability, so it's advisable to check local conditions before planning your trip. Winter mountain biking is generally not recommended due to snow and ice.

The Rat Lake Trail is located near Four Corners/Bozeman, Montana, within the Gallatin National Forest. It is easily accessible from Bozeman. Parking is typically available at the trailhead, though specific details on parking capacity or facilities should be confirmed with local forest service information, especially during peak seasons.

Yes, the route primarily follows the Rat Lake Trail itself, but it also passes through sections of the Garnet Mountain Trail and the Pioneer Lakes Trail. This allows for options to extend your ride beyond Rat Lake towards areas like Garnet Mountain or Pioneer Lakes.

Yes, the Rat Lake Trail is a multi-use trail that accommodates mountain bikes, e-bikes, horses, hikers, and ATVs/OHVs. This makes it a versatile option for various outdoor enthusiasts.

Beyond the challenging terrain with steep and loose sections, riders should be aware of free-range cattle in the area. As a multi-use trail, you may encounter other users such as hikers, horses, and ATVs/OHVs, so always practice trail etiquette and yield appropriately. It's also wise to carry bear spray and be aware of wildlife, as the trail is in a national forest.