Yes, you can stay in a camper in Dartmoor, but you must do so at designated campsites or caravan parks. Wild camping or overnight parking in a camper is not permitted in Dartmoor National Park. There are several campsites and caravan parks in and around Dartmoor that cater to campervans, motorhomes, and caravans. Be sure to book your stay in advance, as some sites may have limited availability or restrictions depending on the season.