| Chara Yakut: Чаара | |
| Pushpin Map: | Russia Sakha Republic |
| Pushpin Map Caption: | Location in the Sakha Republic, Russia |
| Source1 Location: | Bolshoye Leprindo Lake |
| Source1 Coordinates: | 56.6444°N 117.5844°W |
| Source1 Elevation: | 975m (3,199feet) |
| Mouth Coordinates: | 60.3194°N 120.8744°W |
| Mouth Elevation: | 126m (413feet) |
| Progression: | Olyokma→ |
| Subdivision Type1: | Country |
| Length: | 851km (529miles) |
| Discharge1 Avg: | 638.83m3/s |
| Basin Size: | 87600km2 |
The Chara (Russian: Ча́ра; Yakut: Чаара, Çaara) is a left tributary of the Olyokma in Eastern Siberia, Russia. It is long, and has a drainage basin of .
Together with the Olyokma, river Chara gives its name to the Olyokma-Chara Plateau (Олёкмо-Чарское плоскогорье), located to the east of its eastern bank.[1]
The region is famous for a peculiar mountain where charoite has been mined for decades. This intensely purple mineral, named after the river, is only found here and was discovered in the 1940s when a rail tunnel was constructed. Part of the Russian governmental debt was paid in charoite and slabs of this now expensive ornamental material were stored in basements of houses of the Hungarian capital city, Budapest.
The Chara begins as an outflow of Bolshoye Leprindo lake in the Kodar Mountains, Stanovoy Highlands in northern Zabaykalsky Krai. It flows through the Chara Basin between the Kodar and Kalar Mountains, passing the Chara Sands, a 37km2 area of active sand dunes. It joins the left bank of the Olyokma not far from its mouth in the Lena. The Chara has 103 tributaries over 10km (10miles) in length. The most important are the Apsat and the Zhuya from the left and the Tokko from the right. The Sen River flows into the left bank of the Chara from the northern end of lake Nichatka.[2]