St Catherine's Castle is well worth a visit if you are in Fowey. We parked in the main council car park and walked down the hill towards Fowey Quay stopping on the Esplanade. We walked all along the Esplanade, enjoying the views, to Readymoney Road and Beach....a pretty easy flat walk .... There are steps from the beach to the castle...available at low tide for the adventurous! But if you continue further up Readymoney Road and turn left onto the SW Coast Path it is a pretty straightforward walk to the 16th century castle which is well managed by English Heritage and free to enter. Wonderful views as you can climb to the top. NB...you could also park at Tower Park Parking/Readymoney Carpark at the bottom of Hanson Drive/Tower park Road...which is slightly nearer.

Its a beautiful view, and a unique location for a castle/outpost. It was free, a nice little walk up with the dog! Lots signs with information too! I would say to keep dogs on a short leash, and to keep kids close by as there are lots of places you could fall/injure yourself if messing around. Parking isn't great if you follow Google maps, so id recommend 'sat nav' to 'readymoney carpark', which is very inexpensive. And only a short walk though back corner of carpark, down to beach and then up other side to castle!

A free English Heritage site, this one is small but impactful. There is a car park about 3/4 mile away but you need to walk to the castle itself. You go across a small beach and up some stairs with a little bit of a steep climb that can become quite muddy. But its so worth it. Its right on the edge of a cliff with a great ocean view.

Great castle, picture perfect views. The only things that let it down were the staff who didnt tell us the garden was shut and the castle being so busy that you couldn't even get inside. Adding another option for just travelling over to the castle but not entering would make more sense. Most people are just interested in navigating the causeway.

Nice remains of a castle / gun tower. Free to access after a steep climb through the woods. Not very big, more of a passing visit, or a nice stop if walking the coast or visiting the beach here. No car parking at the site, you need to park in town. Great views of the surrounding coastline too 👍🏼