Syanovsky caves cannot be called a miracle of nature. Best known as quarries, these artificial underground corridors were formed during the construction of Moscow. It was here that limestone was mined, which formed the basis of the "white stone". Syanovsky caves are among the five most ancient and largest underground systems in Russia. They are located in the area of GO Domodedovo, approximately 12 km from the Moscow Ring Road. You can always meet people inside the underground corridors, there are a lot of visitors here. Many caves are equipped with landmarks or landmarks that can be found using special maps compiled by enthusiasts.
Syanovsky caves arose around the 17th century, were most actively used in the 19th and 20th centuries, after which they were closed. The entrance to them was bombarded and closed for access until enthusiasts excavated it. Not so long ago, the main vertical entrance and some horizontal tunnels were strengthened in the caves. The main manholes and passages are located at a depth of 25 meters. The total length of the tunnels is about 19 km.
When planning a descent to Syanovsky caves, it should be taken into account that the air temperature inside does not exceed 7-10 degrees with a relative humidity of about 80%. Indices of radiation background inside do not exceed the norm.
Throughout the year, many people visit Syanovsky caves, tours of which can be an interesting and exciting way to spend a day off. The most popular time of the year for hiking is winter. In autumn and spring, visitors to the caves are much less due to high humidity.
Syanovsky caves have long become a popular tourist attraction. Thrill-seekers spend there but a few days or even weeks. Many caves are equipped with everything necessary for life underground. In them you can see chairs and tables for relaxing and eating. Special containers with water are located in places where water seeps from above. All these objects can be found on special maps compiled by enthusiastic underground exploration fans. Syanovsky caves, photos of which amaze and delight, are practically safe to visit. But beginners, of course, should follow certain rules. It is forbidden to light bonfires inside, as smoke can lead to uncontrolled consequences and harm people. When descending into the caves, it is mandatory to sign up in the visiting book. It is necessary to indicate the time of descent and the estimated time of ascent to the surface. This information is constantly checked by rescuers, who can begin to search for the missing in a timely manner.
Equipment for lowering under the ground should protect against cold, moisture and possible shock. It will be easy to get dirty under the ground, so you should not dress very much. It is better to choose clothes from technological materials. For each member of the expedition you must take a card. Also a prerequisite is the presence of two flashlights for each person. When traveling underground you should not disperse, it is better to stick together and explore the caves in good company.