- Chinook Pass (Wikipedia)
Chinook Pass (elevation 5430 ft./1656 m.) is a pass through the Cascade Range in the state of Washington.
- Chehalis River (Washington) (Wikipedia)
The Chehalis River (/ʃəˈheɪlɪs/ shə-HAY-lis) is a river in Washington in the United States. It originates in several forks in southwestern Washington, flows east, then north, then west, in a large curve, before emptying into Grays Harbor, an estuary of the Pacific Ocean. The river is the largest solely contained drainage basin in the state.