Cowlitz County is home to beautiful scenery and its convenient destination provides close access to the ocean, hiking, biking, and sight seeing opportunities. Cowlitz County is known for Castle Rocks gateway to Mount St. Helens. Thousands of people annually arrive to Cowlitz County to discover and explore Mount St. Helens. Cowlitz County offers miles and miles of trails for biking, horse riding, and hiking. Its easy access and endless amount of outdoors activities provide and enhance Cowlitz County's quality of life!