Iškylos vieta, Panevėžio apskritis
Barboros akmuo is a protected geological monument in Butleriškiai Forest, Troškūnai eldership, a granite boulder roughly 4.5 by 3.8 meters wide and 2.45 meters tall. Local legend says the devil dropped it here while carrying it to destroy a nearby church, and that a noblewoman named Barbora drowned in a lake once located beside the stone. It has been under state protection since 1964 and is listed in Lithuania's Cultural Heritage Register.