The best area to stay when visiting Gruta del Palacio is in the nearby town of Trinidad, Flores, Uruguay.
Trinidad is the capital of the Flores Department and offers the most convenient base for exploring the Gruta del Palacio geopark. The town itself is small, with a central square, Plaza Constitución, around which you'll find local shops, eateries, and accommodation options. It's well-connected by road, making day trips to the geopark straightforward.
For couples, Trinidad provides a relaxed and authentic Uruguayan experience. You can enjoy the local pace of life, sample regional cuisine, and use it as a comfortable launchpad for exploring the natural beauty of the area, including the caves themselves.
Families will also find Trinidad a good option. The town is quiet, and its small size means amenities are easily accessible.