# Tham Luang Nang Non

- **Country:** Thailand
- **Depth:** 85 m
- **Access:** Tours available (November – April)
- **Length:** 10.3 km
- **Geology:** Karst cave
- **Hazards:** Monsoon flooding}}
- **Lighting:** None (before the rescue operation)
- **Location:** Tham Luang–Khun Nam Nang Non Forest Park, Mae Sai, Chiang Rai Province, Thailand
- **Elevation:** 446 m
- **Other Name:** Tham LuangTham Nam ChamTham Yai
- **Photo Caption:** Cave entrance in 2018

Tham Luang Nang Non (, , ), also known as Tham Luang or Tham Yai, is a karstic cave system in the Tham Luang–Khun Nam Nang Non Forest Park, near the village of Ban Chong in Pong Pha subdistrict, in northern Thailand. It lies beneath Doi Nang Non, a mountain range on the border with Myanmar.

![Photo of Tham Luang Nang Non](https://upload.wikimedia.org/wikipedia/commons/b/be/Rescue_equipment_in_Tham_Luang_entrance_chamber_%28cropped%29.jpg)

**Source:** https://en.wikipedia.org/wiki/Tham_Luang_Nang_Non (Wikipedia, CC BY-SA)