Bacho Kiro Cave

 interesting place, natural monument, 100 Tourist Sites of Bulgaria, public cave, hominini fossil site

The Bacho Kiro Cave (Bulgarian: пещера Бачо Киро) is situated 5 km (3.1 miles) west of the town of Dryanovo, Bulgaria, only 300 m (980 ft) away from the Dryanovo Monastery. It is embedded in the canyons of the Andaka and Dryanovo River. It was opened in 1890 and the first recreational visitors entered the cave in 1938, two years before it was renamed in honour of Bulgarian National Revival leader, teacher and revolutionary Bacho Kiro. The cave is a four-storey labyrinth of galleries and corridors with a total length of 3,600 m (11,800 ft), 700 m (2,300 ft) of which are maintained for public access and equipped with electrical lights since 1964.
According to the register of the Bulgarian Federation of Speleology, the cave Bacho Kiro is № 0512.

gowhere.bg/en/places/natural-wonders/bacho-kiro-cave/
ilovebulgaria.eu/en/bacho-kiro-cave/
www.mirela.bg/en/naemi/%D0%9F%D0%B5%D1%89%D0%B5%D1%80%D...
kilometri.bg/en/view/bacho-kiro-cave
purebulgaria.com/s-139-%E2%80%9CBacho_Kiro%E2%80%9D_cav...
bulgariatravel.org/bacho-kiro-cave/
www.sciencealert.com/surprise-find-in-a-bulgarian-cave-...
www.showcaves.com/english/bg/showcaves/BachoKiro.html
www.visittobulgaria.com/visit/special_tours/nature/cave...
www.hotelmap.bg/dryanovo-attraction-bacho-kiro-cave.htm...
bgglobe.net/natural-landmarks//bacho-kiro-cave-4484
bgtreasures.eu/bacho_kiro_en.php?lang=en
welcome.bg/en/listing/bacho-kiro-cave/

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The Bacho Kiro Cave and its surroundings was declared as a natural landmark by Order № 2810 of 10.10.1962, promulgated in issue 56/1963 of the State Gazette.
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www.protectedplanet.net/176602
eunis.eea.europa.eu/sites/176602