Jänhijoki is a tributary of Loimijoki river in Finland. Its sources are in lake Jänijärvi in the Tammela municipality in the Tavastia Proper region in Finland. It starts as river Peräjoki, flowing northwest from Jänijärvi towards Jokioinen. The name changes to Jänhijoki where the Peräjoki river and Tyytynoja creek merge. When reaching Jokioinen it flows past the villages of Jänhijoki, past Minkiö railway station where it is crossed over by the Jänhijoki railway bridge and to Kiipu before merging with river Loimijoki.

This article includes a list of general references, but it lacks sufficient corresponding inline citations. (October 2021)

Jänhijoki River
Location
Country	Finland
Municipalities	Tammela Forssa Jokioinen
Physical characteristics
Source
• location	Jänijärvi, Tammela lake area
• coordinates	60°48′N 023°46′E
Mouth	Loimijoki
• coordinates	60.7998°N 23.4302°E / 60.7998; 23.4302
Length	33 km (21 mi)
Basin size	205 km2 (79 sq mi)

Sources

• Jänhijoki (Finnish)