Momina Klisura (Bulgarian: Момина клисура, meaning Maiden's Gorge) is a steep valley along the river Mesta in south-western Bulgaria, stretching about 25 km.

According to the legend, the gorge was named after a maiden, who fought the Ottoman Turks defending the fortress of Momina Kula and plunged into the abyss upon seeing that the stronghold was about to fall.

[1] The gorge is about 25 km long with an average altitude of 642 m. It is narrow with steep slopes dug into metamorphic rocks, late Triassic sediment and vulcanite.

[3] The gorge takes its beginning east of the town of Dobrinishte, at the confluence with Bezbog River at an altitude of 693 m and heads to the south and south-east.

[1][2] A 27.4 km long section of the second class road II-19 between Simitli, Bansko, Gotse Delchev and Ilinden at the border with Greece follows the gorge.