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Primus Peak

North Cascades

Location

North Cascades -- North Cascades Highway - Hwy 20
View map below

Length

19.0 miles, roundtrip

Elevation

Gain: 7300 ft.
Highest Point: 8508 ft.

Rating

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Parking Pass/Entry Fee

None
Highway 20 Closure: Highway 20 is closed between Silver Star (Milepost 170) and Early Winter Campground (Mileposte 177) while crews fight an active wildfire in the area. This closure is dated 7.12.21
A backcountry permit is required to camp overnight in North Cascades National Park. Permits must be picked up in person at one of the park's Wilderness Information Centers
 
 

The route to Primus Peak involves exposed climbing and glacier travel. Gear and experience recommended. 

Primus Peak is most often reached via the Thunder Creek Trailhead.

 

Primus Peak

Map & Directions

Trailhead
Co-ordinates: 48.5821, -121.0912 Open map in new window

Trailhead

North Cascades -- North Cascades Highway - Hwy 20

North Cascades National Park

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Getting There

From I-5, head east on Hwy 20 for approximately 46 miles to Marblemount. Pass the North Cascades National Park Wilderness Information Center, where you can get permits if you are planning an overnight trip. Continue another 25 miles, and then turn right into Colonial Creek Campground, just past milepost 130. Follow signs to the trailhead near the amphitheater. Restrooms with running water are available.

Parking Pass/Entry Fee

None
Highway 20 Closure: Highway 20 is closed between Silver Star (Milepost 170) and Early Winter Campground (Mileposte 177) while crews fight an active wildfire in the area. This closure is dated 7.12.21
A backcountry permit is required to camp overnight in North Cascades National Park. Permits must be picked up in person at one of the park's Wilderness Information Centers
 

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Primus Peak

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