A sloping dam that can generally be run near the center by whitewater paddlers. A portage trail exists on river right.
NOTE: Do not hang out on the dam structure. Either run it or portage it, then keep paddling. The cops will show up if you linger here for too long.
Martindale Dam is reported to take on a Class IV character at high flows (thousands of cfs), forming a "stopper wave" that can hold a boat but which is not, despite appearances, terminal. Mistaking the stopper wave for a terminal hydraulic led, indirectly, to the death of an experienced paddler via a failed rescue in 1992.