2 Lifton national park campsites
The following sites don't share their availability with us yet and cannot be booked online
Lifton, Devon (0.8 miles)
Peaceful family campsite set on an eco-friendly farm with craft workshops, 15 minutes from Dartmoor National Park.
Boyton, Launceston, Cornwall (9.1 miles)
This is a dog friendly, touring, camping, lodges and static site, set in rural Cornwall, near Bude and the coast.
Other areas you might like to consider

National park caravan parks that allow fires in Cornwall
Beatiful beaches and stunning scenery.