What to know before you head out to skate at downtown Des Moines' new Lauridsen Skatepark Robin Opsahl, Des Moines Register Drone video: The Lauridsen Skatepark is almost done Replay Video Downtown Des Moines' new Lauridsen Skatepark, one of the largest skateparks in the country, opened Friday. Located on the north end of the riverfront trail along the Des Moines River, the 88,000-square-foot, $6.1 million collection of skateable structures at 901 2nd Ave. is already set to host this summer's Dew Tour, where hundreds of the world's best skateboarders will compete individually for the Dew Tour title and earn points for their respective Olympic teams.