Yvonne
Caves mentioning the terme "yvonne"
| Name | Location | Length (m) | Depth (m) |
|---|---|---|---|
| Martrou (Gouffre) | Hautes-Pyrénées - FR | 440 | 126 |
| Tham Pha Ya Nakharat - KK0007 | TH | 668 | 82 |
| Tham Phra Wattanaram - KK0016 | TH | 500 | 136 |
| Tham Khang Khao - KK0026 | TH | 100 | 0 |
| Tham Lai Taeng - KK0033 | TH | 50 | 0 |