Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Simplon region  | |
|---|---|
| BT | Europe |
| .Simplon region | |
| RT | Switzerland |
| Italy | |
| Piemonte Italy | |
| SN | Includes Simplon Pass, Simplon Road, and Simplon Tunnel area. Also search Simplon. Indexed with Italy and/or Switzerland. |