A Canadian documentary film depicting the discovery of the largest cave in Eastern Canada, the Grotte de Boischatel at Boischatel, Quebec
| Release Date | — | |
|---|---|---|
| Status | Released | |
| Original Title | Le Trou du diable | |
| Runtime | 1h 20min | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | French | |
| Production Countries | — | |
| Production Companies | ||