Throwback Thursday: Castlewood State Park 🌲🥾 Some hikes are worth revisiting—and Castlewood State Park is one of those places that belongs on any St. Louis-area hiking list. #ThrowbackThursday #CastlewoodStatePark #StLouisHiking #HikingNearStLouis #ThatAwayDad www.thatawaydad.com/dad-hikes-sp...