Lakeview Park is a 4.5-acre park in the Denny-Blaine neighborhood of Seattle, Washington, designed as part of the Olmsted Brothers park system in Seattle. It is located on both sides of Lake Washington Boulevard. as it winds down a hillside toward Lake Washington. The western half is a bowl-like park with grass and trees along 37th Ave …Lakeview Park is a 4.5-acre park in the Denny-Blaine neighborhood of Seattle, Washington, designed as part of the Olmsted Brothers park system in Seattle. It is located on both sides of Lake Washington Boulevard. as it winds down a hillside toward Lake Washington. The western half is a bowl-like park with grass and trees along 37th Ave E. and E. Harrison Street; the eastern half incorporates a lookout at the end of E. Harrison Street and undeveloped hillside between Hillside Drive E. and McGilvra Boulevard E.