which have been opposed by environmentalists.Since 2015 the river has been designated a Natura 2000 site, which offers some protection.There is a hiking trail along the river, and it is known for excellent whitewater rafting conditions.

Course

The Isel river flows from the Umbalkees glacier in the Hohe Tauern National Park near the summit of Rötspitze mountain.It is a left tributary of the Drava

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