Six miles northeast of Newhalem. Open to fishing year-round. Naturally reproducing rainbow trout are the main attraction on this Skagit River impoundment. The lake is closed to the taking of bull trout/Dolly Varden. Prospective anglers should query the North Cascades National Park - Boating and Fishing page http://www.nps.gov/noca/planyourvisit/boating-and-fishing.htm for updates regarding access to Diablo.
Two-pole fishing is NOT allowed
Shoreline access: Good - Shoreline undeveloped.
Species you might catch
Acreage: 803.60 ac.
Elevation: 1213 ft.
Center: 48.712756, -121.116127
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