4.6
(6259)
6,260
runners
01:03
6.97km
330m
Running
Jog the Heather Lake Trail, a difficult 4.3-mile route with 1083 feet of elevation gain, leading to a tranquil alpine lake.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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3.03 km
Highlight • Lake
Tip by
6.97 km
End point
Parking
Way Types & Surfaces
Way Types
6.90 km
< 100 m
Surfaces
6.90 km
< 100 m
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Elevation
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Wednesday 6 May
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7°C
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This route was planned by komoot.
The Heather Lake Trailhead is located on the flanks of Mount Pilchuck in the Mount Baker-Snoqualmie National Forest, about an hour and a half drive from Seattle. Parking is available at the trailhead, but it can become very crowded, especially on weekends and during peak season.
Due to its popularity, the parking lot at the Heather Lake Trailhead fills up quickly. To secure a spot and avoid crowds, it's highly recommended to arrive early in the morning, particularly if you're visiting on a weekend or a sunny day.
Yes, the Heather Lake Trail is generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Be prepared for rugged terrain that might be challenging for some pets.
The best time to jog the Heather Lake Trail is typically from late spring through early fall (May to October) when the snow has melted and conditions are generally drier. In spring, you'll see skunk cabbage and lush greenery. Fall offers vibrant colors. During colder months, expect snow and ice, which can make jogging significantly more challenging and require traction devices.
Yes, a valid recreation pass is required to park at the Heather Lake Trailhead, as it is located within the Mount Baker-Snoqualmie National Forest. You can find more information about passes on the USDA Forest Service website.
The terrain is varied and can be challenging. It starts with switchbacks through a second-growth forest, then becomes increasingly rugged with numerous tree roots and rocks. Expect sections with 'root ladders,' rocky scrambles, and worn-down, uneven paths. Some marshy areas have boardwalks. When wet, the trail can be very slippery.
The trail offers diverse scenery, transitioning from dense second-growth forest to mature old-growth woodlands with towering hemlocks and cedars. You'll see impressive ancient tree remnants, including massive rotting stumps with springboard notches. The highlight is the tranquil Heather Lake itself, nestled beneath Mount Pilchuck's cliffs, offering picturesque reflections.
While generally rated as moderate for hiking, the Heather Lake Trail is considered difficult for jogging due to its rugged and varied terrain. It involves a steady and sometimes steep incline with about 1,000 to 1,100 feet of elevation gain. The significant presence of rocks, roots, and potentially muddy or wet conditions requires excellent sure-footedness and makes it a demanding jog.
Yes, once you reach Heather Lake, there is an additional 0.7 to 0.8-mile loop trail that circles the lake. This loop provides different perspectives of the lake, including rocky shores and marshy areas, and allows you to explore the unique mountain hemlock.
Given the rugged and potentially slippery terrain, wear sturdy trail running shoes with good grip. Layers are advisable due to changing elevations and weather. In colder months or when snow is present, consider bringing traction devices like Yaktrax or poles. Always carry water, snacks, and basic first-aid supplies.