Ptarmigan Tunnel
E1798101
UNEXPLORED
Ptarmigan Tunnel is a historic hiking tunnel blasted through a mountainside in Glacier National Park, Montana, allowing hikers to pass between alpine valleys along a popular backcountry route.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ptarmigan Tunnel canonical | 2 |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.