Raudna (river)

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Raudna
image
Data
location Viljandi County , Estonia
River system Parnu
Drain over Halliste  → Navesti  → Pärnu  → Gulf of Riga
origin in the southwest of Lake Viljandi
58 ° 19 ′ 59 ″  N , 25 ° 34 ′ 36 ″  E
muzzle At Riisa in the Halliste coordinates: 58 ° 27 ′ 44 ″  N , 24 ° 59 ′ 11 ″  E 58 ° 27 ′ 44 ″  N , 24 ° 59 ′ 11 ″  E
Height difference 24.5 m
Bottom slope 0.42 ‰
length 58 km
Catchment area 1140 km²

The Raudna ( Estonian Raudna jõgi ) is a river in the Estonian district of Viljandi .

The Raudna River has its source in the southwestern part of the 155 hectare Viljandi Lake . It is one of the largest tributaries of the Halliste , into which it flows near the village of Riisa.

The river is 58 km long. Its catchment area covers 1140 km². It covers a gradient of 24.5 m.

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