Monument of nature, the cave Ialomicioara or Ialomiţa is situated in the Ialomiţa Gorge, Bucegi Mountain, on the SE slope of the Bătrâna Mountain, at 1530 m altitude and 10 km down from the beginning of the valley. The cave is 804 m long. It has fossil and active chambers on two floors having a difference of 60 m. between them. The interior temperature is 9 - 12 °C. That is one of the most beautiful caves in Romania. Many skeletons of Ursus spelaeus were found here. The cave is equipped for safety visits with wooden paths and stairs and electric light. There is a hermitage at the entrance of the cave, called "Schitul Peştera", founded in the first ha...lf of the 16th century, burnt and rebuilt several times. After 1993 a new church was rebuilt at the entrance of the cave.