MardensWhen you are leaving Presque Isle heading for Caribou, the Marden’s on the left has allowed free camping for many years. State: Maine City: Presque Isle Nearest Town: Presque Isle Status; Unofficial boondocking Cost: Free Nearest Road: Paved Scenery Rating: 1 Months Opened: Year Round Extras: None Number of Camp Sites: 10 or less Max Stay : 3 -