Carnahan County Park is located off U.S. Highway 101 between Astoria and Seaside. The 30-acre park is at the north end of Cullaby Lake and offers passive lake sports, day use activities and access to land leased by the Boy Scouts of America. There are no facilities at this park. The day-use fee of $3 per vehicle per day is collected May through September. Annual passes may be purchased by completing this park pass application form.