10. Urdarholar
1–1,5 hours. 2,4 kilometres.
An easy round walk through boggy and gravel landscapes to mounds Urdarholar, a product of a rhyolite land slide, and lake Urdarholavatn.  The distance is a bit short of one kilometre on a good jeep track.

10a. Urdarholar – Viknaheidi
1/2 hours. 1,8 kilometres.
An easy walk on a connecting trail through vegetated and gravel landscapes from lake Urdarholavatn to route 7 near lake Innra-Gaesavatn.  This route is highly recommended from Borgarfjordur to Viknaheidi enroute to Breidavik.
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