| Thangu Valley | |
| Settlement Type: | village |
| Pushpin Map: | India Sikkim#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Sikkim, India |
| Coordinates: | 27.895°N 88.537°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Sikkim |
| Subdivision Type2: | District |
| Subdivision Name2: | Mangan District |
| Unit Pref: | Metric |
| Elevation M: | 3900 |
| Population Density Km2: | auto |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Registration Plate: | SK |
Thangu Valley or Thangu-Chopta Valley is a town located in Mangan District in Sikkim, India.[1] The population is at an estimated 1,000 residents.[2]
Thangu valley is situated in the northern part of the Sikkim province, roughly 30 kilometers (18.6 miles) North of the larger town of Lachen. It is a common stop for tourists traveling to Gurudongmar Lake[3]