If the weather is (or has been) rainy, run the route in the opposite direction so that you have the narrow, wet single trails uphill and can do the descent on better gravel paths.
Yes, it’s going up there. Sometimes pretty stiff. But the surface is good, and it’s pretty idyllic between the rocks and trees. Private road, so no cars.
Beautiful campsite in Stavn on the 7th. This site has two locations. One directly in the village of Stavn (reception for both) and the other 500 meters below the village …