Hi Rachieb, I think Wheal Rodney in Marazion is the closest, looks nice but expensive! The other site is Kenneggy Cove at Rosudgeon, a short drive from Marazion. We haven't stayed here for a long time but its a really nice site from what I remember.
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Cofton country park
Woodland springs
Dove meadows
Padstow touring
Polmanter touring
Le Grand Bornand, Lake Anncey, Disney 3 week trip
Cherbourg to Brantome,Dordogne river sites and Rocamadour, Amboise,Utah Beach 2 week trip
Pentewan Sands
July France for 8 weeks