word | | Terrain |
| mountains | South Georgia and the South Sandwich Islands | ... rising steeply from the sea, are rugged and mountainous; South Georgia is largely barren and has steep, glacier-covered mountains; the South Sandwich Islands are of volcanic origin with some active volcanoes |
| Mountains | Spain | large, flat to dissected plateau surrounded by rugged hills; Pyrenees Mountains in north |
| mountains | Sri Lanka | mostly low, flat to rolling plain; mountains in south-central interior |
| mountains | Svalbard | wild, rugged mountains; much of high land ice covered; west coast clear of ice about one-half of the year; fjords along west and north coasts |
| mountains | Swaziland | mostly mountains and hills; some moderately sloping plains |
| mountains | Sweden | mostly flat or gently rolling lowlands; mountains in west |
| mountains | Switzerland | mostly mountains (Alps in south, Jura in northwest) with a central plateau of rolling hills, plains, and large lakes |
| mountains | Syria | primarily semiarid and desert plateau; narrow coastal plain; mountains in west |
| mountains | Taiwan | eastern two-thirds mostly rugged mountains; flat to gently rolling plains in west |
| Mountains | Tajikistan | Pamir and Alay Mountains dominate landscape; western Fergana Valley in north, Kofarnihon and Vakhsh Valleys in southwest |
| mountains | Thailand | central plain; Khorat Plateau in the east; mountains elsewhere |
| mountains | Trinidad and Tobago | mostly plains with some hills and low mountains |
| mountains | Tunisia | mountains in north; hot, dry central plain; semiarid south merges into the Sahara |
| mountains | Turkmenistan | flat-to-rolling sandy desert with dunes rising to mountains in the south; low mountains along border with Iran; borders Caspian Sea in west |