· Local
· 739
Hard
Sourdough Mountain Trail
📏
16.7 km
Distance
⏱
4h 9min
Est. duration
⛰
Hard
Difficulty
➡
Linear
Route type
Sourdough Mountain Trail is a 16.7 km Local Hiking hiking trail covering an interesting stretch of countryside.
Covering 16.7 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 3 hours and 42 minutes.
This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. Follow the 739 waymarkers throughout to stay on the official trail line.
As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.
Elevation Profile
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Map
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Waypoints
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B
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Frequently Asked Questions
What is the total distance of Sourdough Mountain Trail?
The total distance of Sourdough Mountain Trail is 16.7 km.
What is the estimated walking time for Sourdough Mountain Trail?
The estimated walking time for Sourdough Mountain Trail is approximately 4h 9min.
Is Sourdough Mountain Trail a loop trail?
No, Sourdough Mountain Trail is a linear (point-to-point) trail. Plan ahead for return transport.
What are the start coordinates of Sourdough Mountain Trail?
The trailhead for Sourdough Mountain Trail is located near 48.7428, -121.1094.
What fitness level is needed for Sourdough Mountain Trail?
Sourdough Mountain Trail is rated hard. Prior hiking experience and solid fitness are required.
Who maintains the Sourdough Mountain Trail trail?
Sourdough Mountain Trail is maintained and managed by North Cascades National Park.