cliff
large, steep rock face sharp vertical drop rugged terrain exposed layers of rock vegetation growing in crevices rocky outcroppings erosional features such as gullies, caves, and waterfalls
cliff which has large, steep rock face cliff which has sharp vertical drop cliff which has rugged terrain cliff which has exposed layers of rock cliff which has vegetation growing in crevices cliff which has rocky outcroppings cliff which has erosional features such as gullies, caves, and waterfalls