The Hüttenberg Felsenmeer is a blockfield on the Hüttenberg ridge and a feature of the geology of the Palatinate Forest. The sandstone blockfield is made up of boulders of the Middle Bunter, particularly the Karlstal Rock Zone, which were formed during the Triassic period. These range from boulders strewn over the surface of the mountainside to rock formations up to 10 metres high. The boulders were formed during the various ice ages, frost weathering of the hitherto solid layers of rock splitting it into a sea of boulders. These rocks are not only found on the summit ridge, which runs roughly from north to south and is around 700 metres long, but also on the mountainsides because, during the short periods of thawing in the summer months, the piles of rubble, soaked in meltwaters, are set in motion and slide downhill. The Felsenmeer is a popular bouldering area.