2 nearly wild RV Parks and Motorhome Camping in Slimbridge, England
2 bookable campgrounds with rv sites within 15 miles of Slimbridge
All distances are calculated "as the crow flies".
New 
Broadway Farm Camping
Gloucester, Gloucestershire, England- Quiet Gloucestershire farm site among 64 acres of orchards
- A 15-minute drive to Gloucester; 20 minutes to Forest of Dean
- On the banks of the River Severn, with riverside pub 10 minutes' walk
Broadstone Park
Coleford, Gloucestershire, England- Small, peaceful farm site with fishing on the England/Wales border
- A 10-minute drive from the Forest of Dean; 30 minutes to a Go Ape site
- Cycle hire 15 minutes' drive; bar and café on site
Silver Fox Café and Camping
Newnham, Gloucestershire, England- Forest of Dean pitches on the banks of the River Severn
- A 20-minute drive to Puzzlewood; half an hour to Symonds Yat
- Dog-friendly café on site for breakfast and lunch seven days a week
Farwood Farm
Stroud, Gloucestershire, England- Working farm site with a farmstand selling seasonal produce
- Near the Cotswold Way and other walks; 50 minutes' drive to Bristol
- Chickens, duck, pigs and sheep on site; walk to the village pub
The Field Campsite
Coleford, Gloucestershire, England- Dog-friendly wild camping site on the edge of the Forest of Dean
- A five-minute drive to a cycling centre; 15 minutes to the Wye Valley
- Bike or walk to caves, supermarkets, golf courses and restaurants
New Nibley House Farm Pop-up Campsite
Dursley, Gloucestershire, England- Pop-up site for over-25s and families in Cotswolds countryside
- Free zorbing, yoga, Pilates and evening jamming sessions on site
- Free concerts for Nibley Farm Family Festival; bring your own food
Camping at Oakfield Farm
Wotton Under Edge, Gloucestershire, England- Spacious meadow pitches on a South Gloucestershire heavy horse farm
- A 20-minute drive to Berkeley Castle and 30 minutes to WWT Slimbridge
- Back-to-basics, rural base for exploring the Cotswolds and Bristol
Swallow Barn Woodland Campsite
Blakeney, Gloucestershire, England- Low-impact, nearly wild woodland site on the banks of the River Severn
- A 20-minute drive from the Forest of Dean and the Wye Valley
- Exclusive use of five acres of dog-friendly wood and field
Beeches Farm
Chepstow, Monmouthshire, Wales
