POPULATION: INFO: Stevenson is located within the Evergreen Mountains in Evergreen County. The city is the gateway to the Evergreen Forest Territorial Park which has trails and waterfalls. Lots of campgrounds and recreation. Stevenson is located just west of Stevenson Pass and east of Evergreen Pass. To the north is Stevenson Inlet and Rainier City. To the south is the Evergreen Mountain and Evergreen Forest Territorial Park. It is within 2 hours to Morenoville and within 3 hours to Shelter Bay.