The Aavoja is a long

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

Anija Parish Anija Parish is a rural municipality in the eastern part of Harju County, Estonia. The administrative center of the parish is the town of Kehra, while the borough of Aegviidu and the village of Alavere are also notable. In total, the parish c ...

Harju County Harju County ( or ''Harjumaa''), is one of the fifteen counties of Estonia. It is situated in northern Estonia, on the southern coast of the Gulf of Finland, and borders Lääne-Viru County to the east, Järva County to the southeast, Rapla Count ...

Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...

that flows into the

Jägala River Jägala may refer to: * Jägala, Estonia * Jägala (river), a river which runs through Jägala ** Jägala Falls, a waterfall along the river * Jägala concentration camp, a Nazi concentration camp ** Kalevi-Liiva killing fields outside the camp * J� ...

near

Kehra Kehra is a town in Anija Parish, Harju County, Estonia, best known for its Kehra pulp and paper mill, pulp and paper mill. The town stands on the banks of the Jägala (river), Jägala River, and it has a station on the Tallinn–Narva railway. A ...

. The current source is located in the village of Pillapalu, just south of Koitjärve Bog. The upstream part of the river was dug in the 1930s to drain Aguparra Bog. Väike-Aavoja and Aavoja reservoirs are located on the river. The river is part of the

Tallinn water supply system Tallinn water supply system is a water supply system that provides potable water to Estonia's capital city Tallinn. 90% of Tallinn's potable water is produced from the surface water. The heart of the system Ülemiste Water Treatment Plant is loca ...

. The basin area of the river is .

References

Rivers of Estonia Anija Parish Landforms of Harju County {{Estonia-river-stub