It’s National Take a Hike Day, so bundle up and check out one of these trails. 1. Castlewood State Park Location: 1401 Kiefer Creek Rd, Ballwin, MO 63021 Castlewood State park is a very popular hiking location with trails perfect for shorter hikes with amazing views. Popular Trails: Castlewood Trail-1.5 miles-Easy, Lone Wolf Trail-1.7…