Davst (Mongolian: Давст, salty) is a sum (district) of Uvs Province in western Mongolia, bordering Russia in the north.

Davst District
Давст сум
ᠳᠠᠪᠤᠰᠤᠲᠤᠰᠤᠮᠤ
CountryMongolia
ProvinceUvs Province
Time zoneUTC+7 (UTC + 7)

The reason it is called "salty" is that there is the biggest natural salt rock deposit in the country. The sum occupies the northern tip of Uvs Nuur which is 5 times saltier than the ocean.

A border crossing to Khandagayty, Russia is located in the sum.

50°36′46″N 92°24′08″E / 50.61278°N 92.40222°E / 50.61278; 92.40222