Hase
Hase - Else River bifurcation
Course of the Hase through the Hase Valley
Etymology	haswa, germanic for gray
Location
Country	Germany
State	Lower Saxony
Cities	Meppen (mouth) Haselünne Herzlake Löningen Essen Quakenbrück Bersenbrück Bramsche Osnabrück Wellingholzhausen (source)
Physical characteristics

Source
• location	Melle-Wellingholzhausen, Teutoburg Forest
• coordinates	52°7′57″N 8°15′53″E / 52.13250°N 8.26472°E / 52.13250; 8.26472
• elevation	165 m (541 ft)

Mouth	Ems River
• location	Meppen
• coordinates	52°41′28″N 7°17′48″E / 52.69111°N 7.29667°E / 52.69111; 7.29667
• elevation	15 m (49 ft)
Length	169.7 km (105.4 mi)^[1]
Basin size	3,116 km² (1,203 sq mi)^[1]^[2]
Basin features
Progression	Ems→ North Sea
Tributaries
• right	Südradde, Mittelradde

The Hase is a 169.7-kilometre (105.4 mi) long river of Lower Saxony, Germany.^[1] It is a right tributary of the Ems, but part of its flow goes to the Else, that is part of the Weser basin. Its source is in the Teutoburg Forest, south-east of Osnabrück, on the north slope of the 307-metre (1,007 ft) high Hankenüll hill.

Weser-Ems watershed

After about 15 kilometres (9 mi), near Gesmold and about 6 kilometres (4 mi) west of Melle, the Hase encounters an anomaly of terrain and bifurcates such that each branch flows in a different drainage system:

one third of its waters flow along the south side of the Wiehengebirge hills eastward from Gesmold into the Else, which begins there, and flows into the Werre at Kirchlengern (north of Herford). The Werre is a tributary of the Weser.
two thirds of its waters (the Hase proper) flow northwest from Gesmold toward Osnabrück, past the towns listed below, and toward Meppen, where the Ems receives its flow.

Towns

Melle
Bissendorf
Osnabrück
Wallenhorst
Bramsche - to the south of this city the Hase crosses the Mittelland Canal
Rieste
Alfhausen - here the Hase forms the Alfsee, an artificial lake acting as flood retention basin for the lower reaches
Bersenbrück
Badbergen
Quakenbrück - in the southeast the Hase divides into two branches: the Big Hase (passing the town in the northeast) and the Little Hase (which itself is divided into several branches within the town, one of which leaves the town northwards to the Big Hase) (Binnendelta)
Menslage - here the Hase is channeled into the Little Hase
Löningen - here it flows into a somewhat northerly branch: the Big Hase
Herzlake - here the two branches flow together again
Haselünne
Meppen