Oh I miss North Devon.
My Mum and late step-father lived there, near Hartland, any opportunity to visit and I was there.
Used to watch the Hawks flying below their house in the valley, that is the Hawk Trainer jet from RNAS Culdrose!
Used to watch the Hawks flying below their house in the valley, that is the birds
Loved that Mum had a card with the number of the Shamrock Cafe in Hartland on her wall, where locals would call in case of emergency, as they knew a local farmer who was first aid trained (ambulance)/ had a bowser trailer (Fire) or a Shotgun (Police)
All too long ago ~sigh~ Anyway, back to the question...
Their used to be a fairly nice little site in Stoke, and one somewhere around Woolsery (spelt Woolfardisworthy).
EDIT: Sorry, not Woolsery but
Steart Farm at Bucks Mill [nofollow], Dog Friendly, but not sure about fires, they do metion Barbecues;
Barbeques. Freestanding barbeques are permitted but do not place instant barbeques on the grass; they kill it; please ask for a flat tile. Two barbeque pits are available in Oak Meadow. The grills and ash trays can be collected from reception when it is open and must be returned clean the following morning.
The other is
Stoke Barton [nofollow], seems they have small showers! (according to reviews on Google) but they are Dog friendly (their website even has a page just for dogs! and they allow camp fires:
If you want a camp fire then firewood can be purchased from the farm.