Idaho · Lake fishing · Near Ketchum

Big Lost Lake

Is Big Lost Lake open right now?

Alert in the area

The Forest Service lists 4 alerts for Sawtooth National Forest.

As of · Source: USFS · Sawtooth National Forest. Agencies don't list every closure — check before you go.

Big Lost Lake is an 8-acre lake near Ketchum, Idaho, at about 9,171 feet. It is managed by the U.S. Forest Service.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Baker Creek Road Campground

    Campground

    Campground · 4.9 mi from the trail
  • Eat after

    Lookout

    Restaurant

    On your way back · 14 mi
  • If it rains

    Sun Valley Museum of Art

    Museum

    In town

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More in Ketchum

Local outfitters

Not on Roamze yet. Their page has how to reach them.