7
hikers
02:20
6.59km
580m
Hiking
Embark on the Blue Lake Trail, a moderate hike that takes you through varied terrain and subalpine forests. You will ascend through meadows, experiencing a true sense of wilderness as you climb. A key highlight is Upper Big Timber Falls, where you can enjoy the cascading water and picturesque views.…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
Parking
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653 m
Highlight • Waterfall
Tip by
6.59 km
End point
Way Types & Surfaces
Way Types
6.56 km
< 100 m
Surfaces
6.14 km
419 m
< 100 m
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Elevation
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Weather
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Wednesday 8 July
24°C
12°C
29 %
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Max wind speed: 2.0 km/h
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This route was planned by komoot.
The Blue Lake Trail is approximately 6.6 kilometers (4.1 miles) long and typically takes around 2 hours and 20 minutes to complete. This duration can vary based on your pace and how much time you spend enjoying the scenery.
Rated as 'moderate' difficulty, this trail involves a significant elevation gain of about 584 meters (1,916 feet). While not overly technical, the ascent might be challenging for absolute beginners. Hikers with some experience should find it manageable.
The trail features a notable elevation gain, suggesting varied terrain that likely includes uphill sections. Given its location in Custer Gallatin National Forest, you can expect a mix of forest paths and potentially rocky or uneven surfaces as you ascend towards the lake.
A significant highlight along this route is Upper Big Timber Falls. The trail itself offers opportunities to experience the natural beauty of Custer Gallatin National Forest, with its diverse flora and potentially scenic views as you gain elevation.
Yes, the route incorporates sections of several other trails. You will hike along parts of the Big Timber Creek Trail, the Big Timber Creek, and the Big Timber Falls trail, offering a varied experience through the area.
The specific trailhead and parking details are best confirmed with local Custer Gallatin National Forest resources. Generally, trails of this nature in national forests have designated parking areas near the trailhead. Look for signs for the Blue Lake Trail or Big Timber Creek Trail access points.
Regulations for dogs in Custer Gallatin National Forest can vary. It's common for national forest trails to allow dogs, often requiring them to be on a leash. Always check the specific rules for this area before bringing your pet to ensure a pleasant and compliant visit.
For trails in mountainous regions like Custer Gallatin National Forest, late spring through early fall (roughly June to September) typically offers the best conditions, with less snow and more favorable weather. Always check current trail conditions and weather forecasts before you go.
Access to Custer Gallatin National Forest generally does not require an entrance fee for day use. However, some specific areas or developed recreation sites within the forest might have fees or require permits for certain activities (like overnight camping). It's advisable to check the official Custer Gallatin National Forest website for the most up-to-date information regarding fees or permits for the Blue Lake Trail area.
Given its moderate difficulty and elevation gain, you should bring plenty of water, snacks, appropriate hiking footwear, and layers of clothing suitable for changing mountain weather. A map or GPS device is also recommended, along with sun protection and basic first-aid supplies.
Beyond the prominent Upper Big Timber Falls, the trail's ascent of nearly 600 meters suggests there will be several points offering expansive views of the surrounding Custer Gallatin National Forest landscape. Keep an eye out for natural clearings or designated overlooks as you climb.
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