is a 55-mile (89 km) tributary of the Mulchatna River in the U.S. state of Alaska.

[1] It begins in Lake Clark National Park and Preserve in northern Lake and Peninsula Borough and flows westward into the larger river 46 miles (74 km) northwest of Nondalton.

[3] This segment, rated "wild", lies within the national park.

[3] During the months from June to September, the river is generally floatable in 10-to-13-foot (3 to 4 m) rafts or in kayaks by boaters with the necessary skills.

Dangers include overhanging vegetation, logjams, swift current, and a narrow winding course.