Hyas Lake is an easy 4-mile round-trip hike with only 100 feet of elevation gain to a subalpine lake in the Alpine Lakes Wilderness. The trailhead is at the end of the Cle Elum Valley Road, about 12 rough miles past Salmon La Sac, and it’s a great hike for kids.
Quick facts
- Distance: 4.0 miles round trip
- Elevation gain: 100 feet
- High point: 3,500 feet
- Trailhead: Deception Pass (#1376)
- Pass: Northwest Forest Pass (opens in a new tab) or America the Beautiful pass
- Dogs: Allowed on leash
- Good for kids: Yes
Why go
It’s nearly flat, and the upper lake has views of Cathedral Rock and Mount Daniel. The lower lake shore has spots for picnics and camping.
Our take: A peaceful hike to a subalpine lake near Salmon La Sac, and an easy way into the Alpine Lakes Wilderness.
Getting there
From I-90, take exit 80 and drive north on Highway 903 to Salmon La Sac. Fork right onto the Cle Elum Valley Road (Forest Road 4330) and follow it about 12 rough miles to the end of the road.
Before you go
- Bring a Northwest Forest Pass (opens in a new tab).
- The last 12 miles of road are rough, so allow extra time.
- Always check to make sure the trails are open before you go.
- Packing list: our hiking gear checklist.
Common questions
How long is the Hyas Lake hike?
Hyas Lake is 4.0 miles round trip with about 100 feet of elevation gain.
Can you camp at Hyas Lake?
Yes. There are established campsites, and the lower lake shore has picnic and camping spots.
Is Hyas Lake good for kids?
Yes. It’s short and nearly flat, which makes it one of the best family hikes near Salmon La Sac.
Trail stats from Washington Trails Association (opens in a new tab). Last checked October 11, 2026.
More in this area: Jolly Mountain, Thorp Mountain Lookout, the Salmon La Sac area guide.
More trails near Cle Elum
Hiking · Biking · Off-roading · ATV & UTV · Snowmobiling · Horseback · Teanaway guide · Salmon La Sac guide