1. Grotto Pian Marnino
Al Gaggioletto 2, 6515 Gudo Switzerland
Coordinate: 46.1736893, 8.930819399999999
2. Grotto Pierino
Cürégia Végia 2, 6963 Curéggia Switzerland
Coordinate: 46.019663, 8.983734999999999
3. Grotto Pini
Via ai Grotti 34, 6710 Biasca Switzerland
Coordinate: 46.3658165, 8.9754706
4. Grotto Pippo
6527 Lodrino Switzerland
Coordinate: 46.3041759, 8.9753328
5. Grotto Pojana
Via Poiana 63, 6826 Riva San Vitale Switzerland
Coordinate: 45.9325197, 8.9548136
6. Grotto Ponte Vecchio
In Arla 29, 6528 Camorino Switzerland
Coordinate: 46.16874, 9.011783699999999
7. Grotto Pozzasc
Al fiume, 6695 Peccia Switzerland
Coordinate: 46.409105, 8.641197
8. Grotto Prandi dal Paolin (Paulin)
Alla Chiesa 52A, 6557 Cama Switzerland
Coordinate: 46.2731217, 9.168028
9. Grotto Raffael
Vicolo Canaa 21, 6616 Losone Switzerland
Coordinate: 46.1680195, 8.755630099999999
10. Grotto Ratti
Via Sonvico 17, 6952 Canobbio Switzerland
Coordinate: 46.0311697, 8.970470799999999
11. Grotto Redorta
Strada de Redòrta 6, 6637 Sonogno Switzerland
Coordinate: 46.3497604, 8.7863802
12. Grotto Rodai
Via ai Grotti 25, 6745 Giornico Switzerland
Coordinate: 46.4008754, 8.881551999999999