Contribute a photo Arnold Reservoir San Bernardino County, CA Follow1 Share Share Arnold Reservoir... Email Facebook Twitter Arnold ReservoirFollow Overview Fishing Reports Guides & Tackle California Arnold Reservoir Nearby Businesses Guides & Tackle Shops near Arnold Reservoir Checkout local fishing businesses near Arnold Reservoir. Add your business. Currently, no businesses are listed for Arnold Reservoir. Be the first to add yours! Feature your Arnold Reservoir Business here! Learn more