The river flowing down from the inaccessible mountainsThe river flowing down from the inaccessible mountains
A bright sunset over a city glowing with lights in a mountainous areaA bright sunset over a city glowing with lights in a mountainous area
Around the lake there is a spruce forest and mountainsAround the lake there is a spruce forest and mountains
Значительная возвышенность, поднимающаяся над окружающей местностью. Нагромождение, куча, множество ( разг. ). Гористая местность.