The Cafall MTB trail at Cwmcarn Trail centre gives you a real sense of adventure. With some tough climbs, combined with some fantastic technical descents.
Caldicot Skatepark is a free outdoor skatepark behind Caldicot leisure centre.
Castle Coch Woods has a mixture of everything for mountain bikers, really good singletrack, rocky sections and some fast descents.
Chepstow Skate Park is a new skatepark built by CSP ramps and are smooth and fun to ride.
Clyne Mountain Bike Trails in Swansea lots of dirt Jumps there and some really good downhill tracks and northshore
Clyne Valley BMX Pump Track near Swansea has recently been redeveloped by Dragon Downhill (Jason Carpenter).
CMX Center in Cardiff, South Wales is a purpose-built mountain bike facility which currently has a small DH/4X/BMX/DJ track.
Cwm Dare Family Gravity Park in South Wales has been designed to specifically cater for families and riders of all ages and abilities.