word | | Terrain |
| mountainous | Micronesia, Federated States of | islands vary geologically from high mountainous islands to low, coral atolls; volcanic outcroppings on Pohnpei, Kosrae, and Chuuk |
| mountainous | Montserrat | volcanic island, mostly mountainous, with small coastal lowland |
| mountainous | Morocco | northern coast and interior are mountainous with large areas of bordering plateaus, intermontane valleys, and rich coastal plains |
| mountainous | New Zealand | predominately mountainous with some large coastal plains |
| mountainous | Palau | varying geologically from the high, mountainous main island of Babelthuap to low, coral islands usually fringed by large barrier reefs |
| mountainous | Portugal | mountainous north of the Tagus River, rolling plains in south |
| mountainous | Rwanda | mostly grassy uplands and hills; relief is mountainous with altitude declining from west to east |
| mountainous | Saint Kitts and Nevis | volcanic with mountainous interiors |
| mountainous | Saint Lucia | volcanic and mountainous with some broad, fertile valleys |
| mountainous | Saint Vincent and the Grenadines | volcanic, mountainous |
| mountainous | Sao Tome and Principe | volcanic, mountainous |
| mountainous | South Georgia and the South Sandwich Islands | most of the 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 ... |
| mountainous | Timor-Leste | mountainous |
| mountainous | Uzbekistan | ... dunes; broad, flat intensely irrigated river valleys along course of Amu Darya, Syr Darya (Sirdaryo), and Zarafshon; Fergana Valley in east surrounded by mountainous Tajikistan and Kyrgyzstan; shrinking Aral Sea in west |