| Bourn Brook | |
|---|---|
 Bourn Brook from Barton Bridge | |
  Location of the mouth within Cambridgeshire | |
| Location | |
| Country | United Kingdom |
| County | Cambridgeshire |
| Physical characteristics | |
| Source | |
| • location | Eltisley |
| • coordinates | 52°13′03″N 0°07′56″W / 52.2176°N 0.1321°W |
| • elevation | 62 m (203 ft) |
| Mouth | |
• location | River Cam at Byron's Pool |
• coordinates | 52°10′17″N 0°05′53″E / 52.1714°N 0.098°E |
| Length | 25.8 km (16.0 mi) |
| Basin size | 85 km2 (33 sq mi) |
Bourn Brook is a minor tributary of the River Cam in Cambridgeshire, England.