| Sessera | |
| Source1 Location: | Monte Bo eastern slopes (Punta del Manzo) |
| Mouth Coordinates: | 45.6989°N 8.2978°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Italy |
| Length: | 35.461km (22.034miles)[1] |
| Source1 Elevation: | around 2000m (7,000feet) |
| Mouth Elevation: | 323m (1,060feet) |
| Discharge1 Avg: | (mouth) 7.5m3/s[2] |
| Basin Size: | 189km2 |
| Tributaries Right: | torrente Ponzone |
| Map: | LocationSesseraCeek.png |
The Sessera (pms|'''Séssera''') is a 35.5km (22.1miles) long torrent in the Piedmont region - NW Italy.
The Sessera starts in the Biellese Alps on the south-eastern slopes of Monte Bo. It initially flows from NW to SE and then encircles the Cima dell'Asnas and forms the artificial lake of Mischie, where it meets its first important tributary, the torrente Dolca (Dolca creek).
With several meanders the Sessera reaches Coggiola and the inhabited part of its valley.After having received two other relevant tributaries, the Ponzone in Pray from right and the Strona di Postua in Crevacuore from left, it enters into the Valsesia and flows into the river Sesia near Borgosesia.[3]
The river caused severe destruction in 1968 along the Sessera Valley.[4]