Olhavanjoki (62)

"Valuma-alue" is not in the list (Järvi, Joki, Meri) of allowed values for the "Vesistö" property.

Olhavanjoki is one of Finland's main water basins. It consists of 9 basins of the lower level of division. Olhavanjoki is part of the river basin district: Oulujoen-Iijoen vesienhoitoalue.

Basins of the next level of division

• Hirviojan valuma-alue (62.005)
• Paskajoen valuma-alue (62.006)
• Vuosiojan valuma-alue (62.004)
• Olhavanjoen yläosan alue (62.002)
• Kynkäänojan valuma-alue (62.003)
• Vaaranojan valuma-alue (62.007)
• Olhavanjoen alaosan alue (62.001)
• Syrjänojan valuma-alue (62.008)
• Vesisuonojan valuma-alue (62.009)