These are the coordinates of the parking spot at put-in:
61.730307,11.328337

The crux rapids as seen from the parking area above-

The PutIn of this section is hard to find. It is at a tiny parking spot along the road, a very tiny footpath leading downhill.

It is also possible to drive the road 300m further up. There is a bigger parking spot to the left and a private road leading down to Renaskarven (watch the roadsign). Walking down to the river here is easier, but longer.