4.6
(7339)
15,162
hikers
02:50
9.38km
190m
Hiking
Embark on the Lake Isabelle via Pawnee Pass Trail, a moderate hike spanning 5.8 miles (9.4 km) with an elevation gain of 614 feet (187 metres). You can expect to complete this route in about 2 hours and 50 minutes. The trail guides you through serene pine forests and open…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
Parking
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6.33 km
Highlight • Lake
Tip by
8.37 km
Highlight • Lake
Tip by
9.38 km
End point
Way Types & Surfaces
Way Types
5.28 km
3.24 km
674 m
152 m
< 100 m
Surfaces
8.50 km
827 m
< 100 m
< 100 m
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Elevation
Highest point (3,320 m)
Lowest point (3,150 m)
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Weather
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Wednesday 6 May
-3°C
-13°C
0 %
Additional weather tips
Max wind speed: 16.0 km/h
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This route was planned by komoot.
The trail begins at the Long Lake trailhead within the Brainard Lake Recreation Area. Due to its popularity, especially during peak season, timed entry permits for the Brainard Lake Recreation Area are typically required. Parking is available at the trailhead, but it fills up very quickly. Arriving early in the morning is highly recommended to secure a spot.
Yes, the trail is located within the Brainard Lake Recreation Area, which typically requires timed entry permits during peak season. There is also an entrance fee for the recreation area itself. It's advisable to check the official USDA Forest Service website for the most current information on permits, fees, and reservation requirements.
Yes, dogs are generally allowed on this trail. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers. Always remember to pack out any waste.
The best time to hike is typically from late spring to early fall (June through September) when the trail is mostly free of snow and wildflowers are in bloom. However, snow can persist at higher elevations, especially towards Pawnee Pass, late into the summer. Fall offers stunning aspen colors. Always check current trail conditions before heading out.
The initial section to Long Lake is wide and relatively flat, passing through pine forests and quaking aspens. As you ascend towards Isabelle Lake, the trail gradually gains elevation through wooded terrain with a short climb just below the treeline. Beyond Lake Isabelle, the path to Pawnee Pass becomes significantly more challenging, featuring sustained climbing, rocky conditions, graded switchbacks, and potentially muddy fields and large boulders. This segment ascends above the treeline and can retain snow late into the summer.
You'll experience spectacular alpine views throughout. Early sections offer lush forests and meadows with wildflowers, and views of the Continental Divide. You'll pass Long Lake with views of Niwot Ridge. Isabelle Lake is a stunning alpine gem, reflecting jagged peaks like Navajo Peak, Apache Peak, and Shoshoni Peak. Higher up towards Pawnee Pass, panoramic views of the Rockies and vast alpine lakes unfold.
The hike to Isabelle Lake is generally considered moderate and can be suitable for active beginners or families. However, extending the hike to Pawnee Pass significantly increases the difficulty, making it a strenuous endeavor due to sustained climbing and rocky, high-altitude conditions. Families with younger children might prefer to turn around at Lake Isabelle.
The Indian Peaks Wilderness is home to various wildlife. Hikers occasionally spot moose, deer, marmots, and pikas along the route. Remember to observe wildlife from a distance and never feed them.
This is a very popular trail, especially during peak season. To avoid the busiest times and secure parking, it's highly recommended to start your hike very early in the morning, ideally before 7 AM. Additionally, be sure to check and reserve any required timed entry permits for the Brainard Lake Recreation Area well in advance.
Yes, the route also passes through sections of the Little Raven Trail, Jean Lunning Trail, Pawnee Pass Trail, and Niwot Cutoff Trail, offering opportunities for longer or alternative explorations within the Indian Peaks Wilderness.
The hike to Isabelle Lake is considered moderate, involving a gradual ascent through wooded terrain. Continuing beyond the lake to Pawnee Pass significantly increases the difficulty. This segment involves sustained, steep climbing over rocky terrain, often above the treeline, and can be strenuous, requiring good physical condition and sure-footedness.
Given the varied terrain and potential for changing alpine weather, it's wise to bring layers of clothing, including a waterproof outer shell. Sturdy hiking boots are essential, especially if you plan to go beyond Isabelle Lake. Plenty of water, snacks, sun protection (hat, sunglasses, sunscreen), and a map or GPS device are also highly recommended. Trekking poles can be helpful for the steeper sections.