Pecwan is a locality in Humboldt County, California. It is located on the Klamath River near the mouth of Pecwan Creek 1 mile (1.6 km) east-southeast of Johnsons, at an elevation of 869 feet (265 m).
Coordinates: 41°20′38″N 123°51′14″W / 41.34389°N 123.85389°W