… was Villa de Maria del Rio Seco. The camp ground indicated on the maps turned out to be just a picnic area a bit outside of town, with no infrastructure whatsoever, no bathrooms, no shower, not even running water.
We were lucky to find accommodation in a very nice “cabaña”. Exceptionally clean and well equipped, with air conditioning an cable TV. We could park the car right outside the door and so connect our little fridge to the electricity.