Khustup () is a mountain located in the southern Syunik Province of Armenia, to the south of Kapan. The height of the mountain is . The source of the Vachagan River is located at the northern edge of Mount Khustup.
The Armenian national hero and military leader Garegin Nzhdeh is buried on the slopes of Mount Khustup.
Gallery
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Khustup Emma YSU (4).jpg|Saint Mesrop Mashtots Church with Khustup in the background
Mount Khustup - Խուստուփ լեռ 07.jpg
KapanGareginNzhdeh.jpg|Monument to Garegin Nzhdeh with Khustup in the background
Khustup from Kapan.JPG|View of Khustup and the Vachagan River from Kapan
AM 1000 dram Ag 2022 Davit Bek a.png|The fortress wall of Halidzor against the background of Mount Khustup (Obverse of "David Bek" coin, 2022)
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