Directions to Centennial Park in Soldotna Alaska. Centennial Park address: Centennial Park. Kalifornsky Beach Road Soldotna, AK 99669 Heading South out of Soldotna: *cross the kenai river bridge *at the light take a right on Kalifornsky Beach Rd. *Look for a direct right in to Centennail Park. *If you are headed north make sure that you take a left onto …