Scenery... Rummu Quarry is a blueish lagoon, unearthly for Estonia, in the midst of Harju county, Vasalemma parish, right next to it is ash-hill which together with an artificial Rummu lake makes a unique scenery and is wonderful day destination with our SUP-tour. Next to a quarry, there is a Rummu ash hill which consists mainly of ash, a byproduct of the mine. Start of Rummu Quarry… Rummu quarry is a desolated and underwater mine in Estonia, in Vasalemma parish. Under Soviet Union rule they began extracting limestone in Rummu Quarry. In 1938 started working Vasalemma limestone- and marble factor , mining limestone in Rummu Quarry. As a matter of fact, there were Murru prison nearby and the company used prisoners of hard labor in mine.When Rummu closed and the pumping of water from quarry ceased, the quarry quickly filled with water, forming a lake, submerging some of the buildings and machinery. Dangers lurking in this pristine crystal clear lagoon... As this awesome submerged mine lake bed contains a number of ruble those including pieces of thick concrete, rebar spikes and plenty of barbed wire. Professional divers have made publicly aware that any jump-diving into the lake off half-submerged buildings is very dangerous. So its very much advised that any kind of diving from the building might have a fatal consequences. Shutting down quarry… After awhile, in 2001 Estonian government started to merge Rummu prison with the Murru prison, then in 2004 those were merged with the Harku women's prison. On 31 December 2012, all of these prisons closed permanently. Since then quarry is closed the area became beloved location for locals and tourist a like to have hiking trip or rafting. With buildings and machinery got submerged, scuba diving, nature photography became very much enjoyed there. As this place has unique