Cunningham Falls State Park
Here you’ll find a 43-acre lake, but your real destination is up a trail to a 78-foot waterfall that you can stand under, full-on cheesy-movie-style.
Seclusion Score: 5/10
Après-Swim: The Tasting Room in downtown Frederick serves lobster chowder, local mozzarella and enough red wine to warm you back up again.