Idaho Underground

The Fins, Boise’s Black Cliffs, Teddy Bear Cove, Dierkes Lake, Leslie Gulch, Lava Tubes, and more You may have picked up this guide for the famous Fins, but that fine area is just the tip of the potato. Locals and a few savvy visitors have long known about the truly “underground” areas covered here: Boise’s Black Cliffs, Teddy Bear Cove, Dierkes Lake, Leslie Gulch, the crazy Lava Tubes, and more. Dave Bingham, Godfather of Idaho climbing put out this revised edition.