I've live near nanjizal.
Yes it's a beautiful place, just like the rest of Cornwall.
But please all visitors, you can not get to the cove by car, or by following your sat nav.
And the amount of abuse that locals get when visitors drive down private roads, and people just parking anywhere along farm lanes and private roads is crazy.
Locals get the brunt of this behavior, and the mess visitors leave, why?. Just take it with you.
I don't think you would like it the other way round.
Also please if you have dogs, please keep on leads as there's lots of farm animals, and a few farm chickens and other birds that roam around on the walk to nanjizal, a few have been killed by visiting people and there pets.
There's also two car parks a couple of mile away in trethewey, st levan, these are the nearest available for parking, then it's 20 to 30 minute walk.
There are no amenities.
Just remember you are in Cornwall, and it's very different from other seaside places.
Enjoy the place and all welcome.
But please there's no need to be disrespectful or abusive to the locals..
Thanks..