Ahja (river)

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Ah yes
Ahja at Väike-Taevaskoda

Ahja at Väike-Taevaskoda

Data
location Estonia
River system Narva
Drain over Emajõgi  → Narva  → Baltic Sea
origin Lake Erastvere on the Otepää ridge
57 ° 58 ′ 53 ″  N , 26 ° 47 ′ 26 ″  E
muzzle in the Emajõgi coordinates: 58 ° 23 '23 "  N , 27 ° 9' 23"  E 58 ° 23 '23 "  N , 27 ° 9' 23"  E
Height difference 87.6 m
Bottom slope 0.92 ‰
length 95 km
Catchment area 1073 km²
Left tributaries Hilba , Leevi
Right tributaries Lutsu , Orajõgi
Reservoirs flowed through Saesaare hydroelectric power station
Navigable Lower course
Canoeing on the Ahja River in Põlvamaa County

Canoeing on the Ahja River in Põlvamaa County

The Ahja ( Estonian Ahja jõgi ; German name: Aya ) is a river in southeast Estonia .

course

The river begins at Lake Erastvere (16.3 hectares) on the Otepää ridge . It flows into the Emajõgi ( German Embach ) after 95 kilometers , about 8.8 km before it flows into the Peipussee . The river covers a gradient of 87.6 m. Its catchment area covers 1073 km².

The right tributaries of the Ahja are Lutsu and Orajõgi , the left tributaries Hilba and Leevi .

geography

The Ahja is navigable on the lower reaches. The Saesaare hydroelectric power station was built around halfway in 1951. On the upper reaches of the river is the landscape protection area of ​​Tilleoru (1.9 km², location ). The protected landscape area of ​​the Ahja glacial valley (10.4 km²) is located between the villages of Koorvere and Valgesoo over a distance of 18 km .

Ecosystem

The Ahja is one of the most fish and species-rich rivers in Estonia (especially brown trout , rainbow trout , grayling , pike , roach , chub , hazel , minnow , rudd , gudgeon , bleak , tailor , bream , burbot , nine-spined stickleback and ruff ). 34 different plant species were detected.

  • Väike Taevaskoda (2013)

  • Map section

  • Watermill at Kiidjärve

  • Ahja in winter

Web links

Commons : Ahja  - collection of pictures, videos and audio files

Individual evidence

  1. ↑ Ahja jõe ürgoru maastikukaitseala. (PDF) 2010, accessed June 29, 2015 (Estonian, images and map of the protected landscape area).