We found 3 listings:

The Valley
Cornwall's chic country retreat... set in 13 acres of conservation award winning countryside, escape to a stunning 5* cottage hidden in a Cornish Valley.
01872 862194
Carnon Downs Caravan and Camping Park
Well equipped site three miles outside Truro. Open all year
01872 862283
Chyreen Fruit Farm - nr Truro
Fruit farm in Carnon Downs. PYO and range of fruit sold direct to public from on site shop. Also sell range of fresh farm produce
01872 862137