[1] Diablo Lake is part of the Skagit River Hydroelectric Project and managed by Seattle City Light.

[3] The Diablo Dam is a part of the Skagit River Hydroelectric Project, which is owned and operated by Seattle City Light.

It is a moderately difficult 7.6 mile hike that reaches approximately 1,300 feet.

[5] The lake holds rainbow, coastal cutthroat, brook, and bull trout.

This article related to a protected area in the state of Washington is a stub.