Hi Moss, Goff and Ocifant
Those directions are a little out of date...
The directions from Pelynt are..Leave Pelynt village going towards Looe. As you are about to leave the village turn left and follow lane as it winds down into the West Looe valley. At the bottom you turn left then fork off left just before a bridge over the river. This lane climbs between high banks until it does a very sharp hairpin left.
Park here and walk down the lane to Hobb Park . About half way down the track there is a tree on the right. Beside it are steps leading down to the well and a great view of the valley.
Ocifant, if you want to take Mikki down to the well I would think the owner of the house at the bottom would be happy for you to park by the well. Might be worth popping down to ask. Its a magical place.
Mr H