The sinkhole is located on the edge of the village of Kaleikino. The diameter of the hole is about 50 meters. Depth 25 meters. On the north side of the sinkhole, there is a silted entrance to the cavern.

on the territory of the Miras sports complex, in Almetyevsk, Shevchenko St. 55. Pool depth 2.2 m, lane length 50 m, number of lanes 10. Water purification without chlorine.

The entrance to the cave is located in a lake located at the bottom of a karst sinkhole. The guesthouse is located nearby, it is possible to fill up gas cylinders or rent them.

Orda Cave is a gypsum crystal cave found underneath the western Ural Mountains of Russia at a maximum depth of 20 meters. The cave system stretches over 5.1 kilometres with the majority being underwater. This makes it one of the longest underwater caves and the largest underwater gypsum cave in the world.

Lazurny is a gypsum quarry, found in Ural, Russia. Max. Depth is 69 meters. Water surface area is over 1km. Water temperature starts at 4*C. Visibility is up to 30 meters, which makes the quarry a unique place for divers and freedivers.

In the town of Shchelkovo, east of the Church of the Sign on the south bank of the Ameryevsky (Dolomite) quarry is a tent camp d/c Sea Angels. There is a small descent to the water from the camp. The depth reaches 10-12 meters. The bottom is mostly silty with areas of submerged forest. Visibility is seasonal 3-1m.

The shores of the Bolshoy Lyuberetsky quarry overlook the Tomilinsky Forest Park and the Gornyak farm; in the center of the quarry there is a Stone Island (a former peninsula that became an island due to rising water levels).

Bowl dimensions. Length - 25 meters, width - 14 meters. 6 tracks, with a variable profile. The depth in the shallow part is 2 meters, in the deep part of the pool it is 5 meters.

The pool has a variable bottom profile from 1.4 to 5 m. The entrance to the pool is both from the sides and by stairs. Pool bowl, 25 meters.Water treatment and maintenance is carried out according to the most modern technologies and standards.

An outdoor swimming pool unique in Moscow with clean, transparent and very warm (30 °C) water! Water treatment and maintenance is carried out according to the most modern technologies and standards.