vallées
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Sorek | Rivière | 20 | 3.9 |
| Snake Canyon | Relief | 5 | 1.2 |
| Skull Valley (utah) | Relief | 3 | 0.8 |
| Skippers Canyon | Relief | 4 | 0.0 |
| Simud Valles | Relief | 6 | 0.5 |
| Simmental | Relief | 14 | 4.4 |
| Sillon des Rocheuses | Relief | 10 | 1.5 |
| Sillon Alpin | Relief | 3 | 9.1 |
| Sikkilsdalen | Relief | 4 | 0.2 |
| Shōsenkyō | Relief | 4 | 0.1 |
| Shatt Er-rigal | Rivière | 2 | 0.0 |
| Shark Valley | Relief | 4 | 1.3 |
| Shalbatana Vallis | Relief | 9 | 0.8 |
| Sextental | Relief | 10 | 0.1 |
| Setesdal | Relief | 18 | 1.7 |
| Selárdalur | Relief | 7 | 0.0 |
| Seguia El-hamra | Relief | 29 | 18.6 |
| Seetal | Relief | 7 | 0.5 |
| Scott Valley | Relief | 2 | 0.5 |
| Schöllenen | Relief | 16 | 7.1 |
| Schoemans Kloof | Relief | 6 | 0.1 |
| Schnalstal | Relief | 10 | 0.3 |
| Scamander Vallis | Relief | 9 | 0.0 |
| Sautso | Relief | 8 | 0.4 |
| Saut de la Saule | Relief | 2 | 1.9 |
| Saoura | Relief | 5 | 12.1 |
| Sandan-kyō | Relief | 8 | 0.5 |
| Saboredo | Relief | 3 | 0.7 |
| Ruinaulta | Relief | 11 | 0.8 |
| Roúvas | Relief | 11 | 0.2 |
| Royans | Relief | 2 | 19.2 |
| Royal Gorge | Relief | 6 | 0.2 |
| Roháče - Spálená | Relief | 5 | 0.1 |
| Robbers Roost | Relief | 2 | 0.8 |
| Rißtal | Relief | 4 | 0.1 |
| Ridnauntal | Relief | 8 | 0.7 |
| Ribera Arga-aragón | Relief | 8 | 0.5 |
| Rhin Japonais | Relief | 8 | 0.5 |
| Rheinwald | Relief | 8 | 1.0 |
| Reykholtsdalur | Relief | 3 | 0.1 |
| Reull Vallis | Relief | 9 | 0.0 |
| Reichenbachtal | Relief | 6 | 0.1 |
| Red Rock Canyon | Relief | 2 | 10.6 |
| Reculée du Lison | Relief | 1 | 1.5 |
| Reculée de la Frasnée | Relief | 1 | 0.0 |
| Reculée de Vers Cul | Relief | 1 | 0.2 |
| Reculée de Poligny | Relief | 2 | 1.5 |
| Reculée de Norvaux | Relief | 2 | 0.3 |
| Reculée de Balerne | Relief | 2 | 0.4 |
| Reculée D'arbois | Relief | 2 | 0.2 |