Phnom Dei
View of Phnom Dei
Highest point
Elevation	272 m (892 ft)
Coordinates	13°35′45″N 103°59′1″E / 13.59583°N 103.98361°E / 13.59583; 103.98361[1]
Naming
Native name	ភ្នំដី
Geography
Phnom Dei Location of Phnom Dei in Cambodia
Location	Siem Reap Province, Cambodia
Geology
Mountain type	Sandstone
Climbing
Easiest route	Drive to Banteay Srei, then hike

This article contains Khmer text. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Khmer script.

Phnom Dei (Khmer: ភ្នំដី [pʰnom ɗəj]) is a 272 m high hill close to Siem Reap, Cambodia.

Phnom Dei is located to the southeast of the Banteay Srei, one of the major Angkorian temples, and south of Phnom Kulen. It is part of the temple complex in Angkor, the area that was the capital of the Khmer Empire.

There is a temple on top of the hill that was built during the reign of King Yasovarman I (889-910 AD).^{[2]: 65  [3]}

Phnom Dei is only one of the hilltop temples built during King Yasovarman I's reign, the others being Phnom Bakheng, Phnom Bok and Phnom Krom.

• Mercury diagram
• Nick Ray, Cambodia