- Cleeve Hill Golf Club
- , , GL52 3PW
- Cliffords Mesne
- Cliffords Mesne, GL18 1JS, GL18 1JS
- Cockleford Marsh
- Butlers Hill Farm, Cowley
- Coombe Hill Reserve
- Coombe Hill Reserve, Tewkesbury, GL19 4BA
- Coombe Hill, Wotton-under-Edge
- Old London Road, Wotton-under-Edge, GL12 7DP
- Cotswold Water Park
- Water Lane, Somerford Keynes, GL7 6DS
- Cotswolds Beechwoods and Commons NNR
- Buckholt Road, Cranham, GL4 8EZ
- Cyril Heart Arboretum
- Speech House, Forest of Dean, Gloucestershire, GL167EJ
- Elmore Court
- Weir Ln, Elmore, Gloucester, GL2 3NT
- Frampton Mansell
- Aston Down Airfield, Cowcombe Lane, Chalford, Stroud, Gloucestershire, GL6 8HR
