a. Cirque lakes which are caused when glacier leaving a mountain hollows on top of the mountains e.g. Lake Ullswater
b. Rocks hollow lakes are formed when valley glaciers scoop out hollows on the surface.
a. Cirque lakes which are caused when glacier leaving a mountain hollows on top of the mountains e.g. Lake Ullswater
b. Rocks hollow lakes are formed when valley glaciers scoop out hollows on the surface.