Swauk Forest Discovery Trail

Alpine Lakes Wilderness, Washington

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Swauk Forest Discovery Trail


  • A parking spot near Blewett Pass, before the official sno-park was plowed.- Swauk Forest Discovery Trail
  • Climbing Forest Road 9716.- Swauk Forest Discovery Trail
  • The start of the Swauk Forest Discovery Trail after heavy snowfall.- Swauk Forest Discovery Trail
  • Following the singletrack across the slope out to the ridge.- Swauk Forest Discovery Trail
  • Downed trees and obstructing brush are common on the Swauk Forest Discovery Trail- Swauk Forest Discovery Trail
  • Peering through the ponderosa stand on the northwest corner of the ridge.- Swauk Forest Discovery Trail
  • Continuing along the exposed north-south section of the trail. - Swauk Forest Discovery Trail
  • The slope up to the knoll may require a few switchbacks.- Swauk Forest Discovery Trail
  • The view back down.- Swauk Forest Discovery Trail
  • The Swauk Valley, viewed from the top of the knob. On a clear day, you should be able to get a view of Mount Rainier from here.- Swauk Forest Discovery Trail
  • Another view to the south past the pines.- Swauk Forest Discovery Trail
  • The return portion of the west loop.- Swauk Forest Discovery Trail
  • Where the west loop return meets 9716.- Swauk Forest Discovery Trail
  • Looking across the road to the start of the east loop.- Swauk Forest Discovery Trail
  • Diamond Head, viewed from the southeast corner of the east loop.- Swauk Forest Discovery Trail
Overview + Weather
Easy access. Varied terrain. Views. Interpretive signage.
Difficult to follow.
Alpine Lakes Wilderness, WA
Pets allowed: 
Net Elevation Gain: 
337.00 ft (102.72 m)
Parking Pass: 
Sno-Park Parking Permit (required in OR + WA 11.01 thru 04.30)
Preferable Season(s):
Total Distance: 
2.80 mi (4.51 km)
Trail type: 
Trailhead Elevation: 
4,221.00 ft (1,286.56 m)
Current Local Weather:
Adventure Description

Adventure Description


In summer, the Swauk Forest Discovery Trail is a relaxed, elaborately annotated introduction to the Blewett Pass ecosystem, an easy 2 miles dotted with interpretive signage. In winter, the trip calls for a little more familiarity with wayfinding. Those helpful signs are buried in the snow, and slopes that practically escape notice on a hike require some careful switchbacking on skis. It's not necessarily a difficult trip, but it does make for an exciting and mildly disorienting backcountry experience in a compact package.

The summer parking area for the trail is a third of a mile up Forest Road 9716 from Blewett Pass Sno-Park (which is equipped with portable toilets if you need them). The route is popular with snowmobilers, but once you reach the turnoff for the Discovery Trail you'll be leaving machine territory. The trail leaves from directly behind the kiosk and keeps straight until it hits another kiosk and veers to the right. Follow the gaps in the trees and stay to the left at any ambiguous forks. The trail stays at a single elevation, moving along a narrow track on the side of the hill until it crests a scoured ridge with some imposing ponderosas and a good view of the Swauk Valley. Turn left here and take the ridge south. You'll then climb the first slope that opens up to your left until you reach the top of the knob (this is where the switchbacks come in). The route heads east along another slope, later widening into a flat trail.

Before you rejoin the road, you'll pass a half-buried signpost indicating two different options for the part of the loop east of the road. The right fork leads to the long loop, which is particularly difficult to follow in deep snow. The left fork takes you to the more thoroughly marked short loop that crosses the road before meandering through the forest and past a view of Diamond Head on the way back to the trailhead.

As an added bonus in all this, a few of those interpretive signs may still be visible, which is helpful if you are having trouble sorting your spruce from your larch, or if you are interested in seeing what porcupine gnaw marks look like. Another kiosk at the trailhead gives more general information about the state of the forest in the area, which is dominated by firs after it was heavy logging in the 1980s. The loop is also part of the Great Washington State Birding Trail's "Sun & Sage Loop," although the pass is a little high up for winter birding.

And if you do stray from the trail at any point, just remember that you're making a big rectangle around a hill, with the southern side of your path cutting across the summit. It's a small, manageable area, even if it does feel remarkably isolated. Watch for downed trees on the northern stretch of the trail.

Backcountry Safety

Winter backcountry adventures can be dangerous outdoor activities that pose significant risks as conditions affecting safety (i.e. weather, snowpack stability, avalanche hazard) are constantly changing. Prior to engaging in these activities each individual should get the proper training to make safe decisions and be equipped to use avalanche safety resources and tools. Please visit our Backcountry Skiing and Avalanche Safety post to learn more.

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(18 within a 30 mile radius)

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(36 within a 30 mile radius)

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