The Lower Klamath River below Happy Camp. Caldera Rapid on the Upper Klamath. Ukonom Creek as it enters the Lower Klamath below Happy Camp. Ukonom Creek shortly before it enters the Lower Klamath below Happy Camp. The Lower Klamath River below Dragon's Tooth rapid, with a large bird's nest in a tree-top. The Lower Klamath River below Dragon's Tooth rapid, with a large bird's nest in a tree-top. The Lower Klamath River below Dragon's Tooth rapid. Dragon's Tooth rapid (Class IV) from above on the Lower Klamath River below Happy Camp. Dragon's Tooth rapid (Class IV) on the Lower Klamath River below Happy Camp. Dragon's Tooth rapid (Class IV) on the Lower Klamath River below Happy Camp. The Lower Klamath River below Happy Camp. The Lower Klamath River below Happy Camp. The Lower Klamath River below Happy Camp. The Lower Klamath River below Happy Camp. Caldera Rapid on the Upper Klamath.