Situated in the heart of Mount Abu Town, this dazzling natural lake is placed amidst imposing hills in the backdrop of picturesque landscape. Legend says that this lake is carved by the fingernails of the sage, Balam Rasia, in his attempt to marry the daughter of the then king of Abu. It is famous for the Toad Rock, which is a gigantic rock that hangs over the Nakki Lake and offers an unforgettable view.