Visit Glenoma Park for picnicking and ball fields. Enjoy nearby Cowlitz River and Riffe Lake. Glenoma escaped the same demise of nearby Kosmos that disappeared when the Mossyrock Dam was built and Riffe Lake overtook that area in 1969.

Glenoma is an unincorporated area in Lewis County at the extreme eastern end of Riffe Lake. A residential area with few businesses. Served by the Morton-White Pass School District.

Explore Glenoma

Named for: Derived from the words: “glen” (meaning narrow valley) and “ome” (meaning place)

Home of: Glenoma Park for picnicking and ball fields.

Population: 797

Elevation: 797 ft.

Location: 9 miles east of Morton on U.S. Highway 12

Coordinates: 46.5146° N, 122.1601° W

Climate: July average high 64.3 degrees; January average low 36.2 degrees; 60 inch average precipitation