| Bula | |
|---|---|
![]() The river and its mouth | |
| Location | |
| Country | Russia |
| Federal District | Volga |
| Physical characteristics | |
| Source | |
| • location | Batyrevsky District |
| • coordinates | 55°04′44″N 47°04′39″E / 55.07900°N 47.07751°E |
| Mouth | Sviyaga |
• location | Apastovsky District |
• coordinates | 55°12′20″N 48°23′11″E / 55.20544°N 48.38649°E |
| Length | 118 km (73 mi) |
Basin size | 1,580 km2 (610 mi2) |
| Discharge | |
| • location | near Chatbash (as of 1979[update]) |
| • maximum | 490 m3/s (17,000 cu ft/s) |
| Basin features | |
| Progression | Sviyaga→ Volga→ Caspian Sea |
The Bula (Russian: Була; Chuvash: Пăла, Păla; Tatar: Бола) is a river in the Chuvash Republic and the Republic of Tatarstan, Russia, a left-bank tributary of the Sviyaga. Its length is 118 kilometres (73 mi) and its drainage basin is 1,580 square kilometres (610 mi2). It originates in the Chuvash Republic and falls into the Sviyaga River south of Devlikeyevo.
Major tributaries are the Cheremshan and the Malaya Bula. The maximum mineralization is 700–1000 mg/L. Batyrevo, the administrative center of Batyrevsky District of the Chuvash Republic, is located on the river.