• From Wikimedia Commons, the free media repository. Sumgan-Kutuk. ... Source URL: commons.wikimedia.org/wiki/Category:Sumgan-Kutuk_Cave.
  • https://ru.trip.com/travel-guide/attraction/meleuzovsky-district/propast-kutuk-sumgan-142481473/.
  • The entrances of Skazka and Staromuradymovskaya caves are in the upper slopes of valley sides, the Kutuk-Sumgan cave begins with a 75m-deep shaft...