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Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Hard
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
1,052 m
Distance
This reflects the return distance of this route as measured by the GPS file.
13.8 km
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
5.5-7.5h
User Ratings
These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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Directions to Trailhead

Lundin Peak View and Red Mountain via Old Commonwealth Trail

Measurement:

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Table of contents

Lundin Peak View and Red Mountain via Old Commonwealth Trail is a 8.6mi hard hike in Mount Baker-Snoqualmie National Forest that provides two mountaintops with a scrambling section. Expect several river crossings, great views, and some hard work. There is some overgrowth at the beginning of this hike, but it’s nothing impassable. We don’t recommend Red Mountain for those who are uncomfortable with heights or exposed scrambles. While dogs are allowed on this trail, we do not recommend trying to bring them up Red Mountain, Lundin Peak is a bit more forgiving up to the false summit.

Route Description for Lundin Peak View and Red Mountain via Old Commonwealth Trail

Old Commonwealth Trail is a great hike throughout the year, and it provides access to the thrilling ascents of Red Mountain and Lundin Peak, which involve a sky-high scrambling section. This is a good hike for those comfortable with exposure, heights, and intermediate scrambles. If that’s not your style, skipping Red Mountain might be best. Begin at the PCT trailhead. The Old Commonwealth Trail split off left from the PCT very quickly so make sure you watch for the turn. Stay right through two junctions and cross the creek. This first mile or so is quite flat and relaxed, but also deep in thick brush and potentially overgrown. When you cross Commonwealth Creek, look for a bridge to use to cross and then return to the trail. Head northwest, you’ll merge onto Commonwealth Basin Trail. A handful of stream crossings lead you up to where you’ll begin to climb a bit more aggressively, hiking through very narrow switchbacks. Stay right at the junction around 4856ft and begin your ascent of Red Mountain. It’s fairly short in terms of distance, but expect the last mile or so to take longer as you navigate the scramble. Some hikers report feeling uncomfortable and turning around before the summit, which is exactly what you do if you feel too far outside of your comfort zone on this section. Otherwise, after enjoying the summit, you’ll descend and then continue north on the trail. Climb the ridge in front of you, going left towards Lundin Peak. Many hikers just enjoy the view for the false summit if the true summit seems too far, so it’s up to you whether you go the whole way or not. From where you are, turn around and retrace your steps to the trailhead.

Getting to the Lundin Peak View and Red Mountain via Old Commonwealth Trail Trailhead

The trailhead for Lundin Peak and Red Mountain via Old Commonwealth Trail is in Snoqualmie Pass at the PCT trailhead off Alpental Access Road.

Route Information

  • Backcountry Campground:

    No

  • When to do:

    May-November

  • Pets allowed:

    Yes - On Leash

  • Family friendly:

    No

  • Route Signage:

    Poor

  • Crowd Levels:

    Moderate

  • Route Type:

    Out and back

Lundin Peak View and Red Mountain via Old Commonwealth Trail Elevation Graph

Weather Forecast

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