National Institute of Mountaineering and Adventure Sports
| Parent institution | Ministry of Defence |
|---|---|
| Established | 30 May 2013 |
| Focus | Adventure sports |
| President | Defence Minister of India, (Rajnath Singh) |
| Director | Ranveer Jamwal |
| Key people | Chief Minister of Assam (vice president) Satyajit Mohanty (secretary) |
| Owner | Government of India |
| Location | , , India |
| Website | nimasdirang |
National Institute of Mountaineering and Adventure Sports (NIMAS) is an adventure training institute located in Dirang, Arunachal Pradesh, India. Established in 2013, under the Ministry of Defence, Government of India, NIMAS is the first institution in the country that offers land, air, and water-based adventure training. It provides certified courses in mountaineering, mountain biking, scuba diving, whitewater rafting, paragliding, and paramotoring.