The British Isles consist of Great Britain, Ireland, and several smaller islands. Great Britain contains England, Scotland, and Wales. England is mostly low hills and plains, with mountain ranges like the Pennines and Lake District. Scotland has lowlands and highlands, with its highest peak being Ben Nevis. Wales is mountainous with ranges like Snowdonia and Snowdon. Ireland is also very green with high mountains and rivers like the Shannon. The British Isles have a mild, temperate climate that is unstable, windy, and damp.