2. WHAT IS IT?
It is an underwater cave which is 13 km long,
and is believed that it is the longest underwater
cave in Spain. It has an altitude of 71 meters
below sea level.
3. WHERE IS LOCATED?
It is located in Burgos, in Covanera, Tubilla del
Agua in Rudrón Valley.
4. RECORD
A new exploration campaign into the depths of
the Blue Pit have made a new record distance.
The British divers Jason Mallinson and John
Volanthen managed to get 140 meters into the
flooded area, but they were diving for four days.
5. WHAT DO YOU NEED?
You need physical and mental preparation and
the correct equipment, because these types of
dives are dangerous. It is better to do it with
other people.
