title: Lacul Fără Fund (Ocna Sibiului)
text: # Lacul Fără Fund (Ocna Sibiului)
  
  Lacul Fără Fund (also called Lacul Lemnelor) is a natural salt lake in the town of Ocna Sibiului, Sibiu County, Transylvania, Romania. It is one of the many lakes of the Ocna Sibiului mine, a large salt mine which has one of the largest salt reserves in Romania.
  
  ## Name
  
  In Romanian, Lacul Fără Fund means The Bottomless Lake, which is an obvious reference to its high depth. The other name, Lacul Lemnelor means Lake of the wood.
  
  ## History
  
  The lake was formed on the site of the Francisc Grube salt mine, which was abandoned in 1775 due to water infiltrations.
  
  ## Information
  
  * Surface: 1,665 square metres (17,920 sq ft)
  * Maximum depth: 32 metres (105 ft)
  * Salinity: 96 g/L (at the surface), 318 g/L (at 6 m depth)
  
  ## Lakes of the salt mine
  
  * Auster
  * Lake Avram Iancu-Ocniţa
  * Balta cu Nămol
  * Brâncoveanu
  * Cloşca
  * Crişan
  * Lacul Fără Fund
  * Gura Minei
  * Horea
  * Mâţelor
  * Negru
  * Pânzelor
  * Rândunica
  * Verde (Freshwater lake)
  * Vrăjitoarelor (Freshwater lake)
  