Devil's throat cave

One of the phenomenons in the Rhodope Mountains is the Trigradsko
jdrelo where is located a cave called Dyavolsko Gurlo (The Devil's
Throat). The cave is 1, 2 km of the village of Trigrad and has formed
as a result of massive tectonic activities..

The name of the cave has derived from the devil head shaped
entrance. There is a river crossing underground the cave, with 60m high
waterfall, forming a huge hall called the Thunder hall.
It is 110 m long, 40m wide and 35m high. There is an artificial gallery
through which one can access the base of the water current and from
there is 301 stairs with access to the outside in the open. There, the
nature demonstrated its magnificence. From 380 m from the cave's
entrance, the running river deposits in a siphon gallery. The length of
the siphon is more than 150 m the River undergo into another gallery of
about 60 m, after which it rushes outside the cave.

From the many illuminations from projectors and the hanging
bridge, iron stairs in this underground world, one can have a perpetual
impression after a visit.

The cave is electrified, the stair are hand-railed for safety.
The biggest colony of cave bats in the Balkans, spend their winter
period in this cave.

In the past, this natural phenomenon precipitated many legends. One of
the legends has it that; Orpheus - the god of music, traveled to the
underground world to save his fiancee named Evridika from the god of
the death called Hades. Many sacrifice were done in this cave, even
young virgin were sacrificed to the god of deaths in this cave.

The cave is opened for tourists all year round.

Source: visit.bg