Goose Lake, in the U.S. state of Washington, is located within the Gifford Pinchot National Forest. Travel to Goose Lake is via a dirt road, along Forest Road 60, also called the Carson Guler Road, typically free of snow by late June. Fed by several streams, Goose Lake was dammed by a lava flow from Big Lava Bed, directly to the south. The lake is 58 acres in …Goose Lake, in the U.S. state of Washington, is located within the Gifford Pinchot National Forest. Travel to Goose Lake is via a dirt road, along Forest Road 60, also called the Carson Guler Road, typically free of snow by late June. Fed by several streams, Goose Lake was dammed by a lava flow from Big Lava Bed, directly to the south. The lake is 58 acres in size and includes a boat launch and a campground with 18 primitive campsites. Popular for fishing in summer and early fall, Goose Lake contains brook, brown, and coastal cutthroat trout.