Trigrad Gorge
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The Trigrad Gorge (Template:Langx, Script error: No such module "IPA".) is a canyon of vertical marble rocks in the Rhodope Mountains. It is in Smolyan Province, one of the southernmost provinces of Bulgaria.
The gorge encloses the course of the Trigradska River, which plunges into the Devil's Throat Cave and Template:Convert further emerges as a large karst spring. It later flows into the River Buynovska.
The gorge's west wall reaches Template:Convert in height, while the east one extends up to Template:Convert. Initially, the two walls are about 300 m apart, but the gorge narrows to about Template:Convert in the northern section. The gorge is Template:Convert from the village of Trigrad at Template:Convert above sea level and has a total length of Template:Convert, of which the gorge proper comprises Template:Convert.
Honour
Trigrad Gap on Livingston Island in the South Shetland Islands, Antarctica, is named after Trigrad settlement and gorge.