Thrihnjukagigur
Kópavogsbær (Höfuðborgarsvæðið - IS - Ísland)
63.984591,-21.667965
63.984591,-21.667965
Cavités proche
| Distance (km) | Nom | Longueur (m) | Profondeur (m) |
|---|---|---|---|
| 5.9 | Raufarhólshellir [Raufarholshellir] | 1360 | |
| 7.1 | Flóki [Floki] | 1096 | 13 |
| 11.9 | Búri (Hellir) [Buri] | 1050 | |
| 46.1 | Laugarvatnshellar [Laugarvatnshellir] | ||
| 64.2 | Hellnahellir | 50 | |
| 94.8 | Víðgelmir | 1585 | 39 |
| 99.9 | Surtshellir | 1970 | 37 |
| 290.8 | Grjótagjá [Grjotagja] | 50 | |
| 1673.8 | Grønligrotta [Gronligrotta] | 4200 | 107 |
| 1698.6 | Korallgrottan | 7000 | 180 |