Mason Lake Backcountry Camping

BackcountryFreeWashington, United States5.0(1)

About this site

Mason Lake is a backcountry camping destination in the Alpine Lakes Wilderness near Snoqualmie Pass, Washington. The lake is accessed via the Ira Spring Trail, requiring a hike of approximately 3.8 miles from the trailhead parking area on FR-9031 (Mason Lake Road). The site features designated camping areas with a backcountry privy. Mason Lake is a small but deep alpine pool populated with rainbow trout, offering views of Bandera Mountain and surrounding tree-lined slopes. Camping is free and does not require permits, though a NW Forest Pass or Interagency Pass is required for parking at the trailhead. The site is popular for weekend backpacking trips.

Amenities & access

Access

Hike-in access

Amenities

Toilets

Location

47.425082, -121.552908

Elevation · 4,242 ft

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Weather

Reviews (1)

C
Camper
August 16, 2025
5
Short, tough hike, but the view will keep you going. The camping spots up at the lake are a little lumpy. The trail is pretty popular, at least on the weekend. After reaching the camp area, Mt. Defiance offers a great challenge and a terrific view of the mountains around you.