Alta is a town in the North of Norway. It is known for the Alta Museum, with ancient rock carvings. You can visit the rock carvings without paying the hefty entrance fee if you go after they close. It is on the E6 and the 93 road.
It is not easy to hitchhike out of Alta. There are some good spots, but people are reluctant to stop.
West, Tromsø towards
The Alta Museum seems a good spot, it's fairly easy to stop, but Guaka and Erga tried for a long time and no one did.
South, 93 towards Kautokeino
There are no great spots in Alta, but if you get to Ovre Alta there is a fairly decent bus stop.