... rocks are characterised by the densely spaced sandstone towers, ravines, narrow walkways, rock walls, etc. The various formations, sculpted in the sandstone by the forces of nature, were given romantic names such as Lovers Jug, Mayor and his wife, Sugar loaf etc. A small reservoir named Adršpašské jezírko was built on the Metuje River flowing through the upper part of Vlčí gorge. Passengers can take a row boat ride across the reservoir and admire Great waterfall.