| Mogna | |
| Settlement Type: | Town |
| Pushpin Map: | Argentina San Juan Province#Argentina |
| Coordinates: | -30.6942°N -68.3561°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Jáchal |
| Leader Title: | Mayor |
| Leader Name: | Miguel Ángel Vega |
| Elevation M: | 734 |
| Population Total: | 114 |
| Population As Of: | 2010 |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Spanish |
| Timezone1: | ART |
| Utc Offset: | -3 |
| Postal Code Type: | Postal code |
| Postal Code: | J5460 |
| Area Code: | 02647 |
| Area Code Type: | Area code |
Mogna is a town in the Jáchal Department, San Juan Province, Argentina. It is located on the right bank of the Jáchal River, at an altitude of 734 meters above the sea level.[1] In the year 2010, the town had a total population of 114.[2]
Mogna has a Hot Desert Climate (BWh). It sees the least amount of precipitation in June and July, with 7 mm of average rainfall; and the most precipitation in January, with 52 mm of average rainfall.
As a result of mining, the water of the Jáchal River has been contaminated with several metal minerals like Arsenic, Mercury and Magnesium, as well as spills from mining companies.[3]