Hi Joey, it sounds like you have a great adventure ahead of you.
My picks would be.
Tour De Dovre for sure. Not too difficult and easy access with train
The Great Valley Lopp – Take a train to Oppdal and ride down Sunndalen and over the famous gravel road Ausjøvegen. From there, you can ride on to Åndalsnes and take a train back to Dombås (Visit Trollstigen as a detour). You can ride the whole loop, but you have some main E roads to contend with, and a train may be the better option.
http://www.ridewithgps.com/routes/42529487?privacy_code=wpi4X3Y4KvAsgMyU
Telemark Route Canal – You can take a train from Oslo to Porgrunn and ride the whole loop. Beautiful forest area.
http://www.ridewithgps.com/routes/42546425?privacy_code=Rt7ESPzLiUd8mEBR
http://www.cyclenorway.com/routes/national-cycle-routes/overview/route-2/4887-2/
Mjølkevegen – Train to Gol and then cycle the route to Vinstra and take a train back to Oslo from there.
http://www.ridewithgps.com/routes/39601999?privacy_code=LGrMqtGBNEh7jDe7
http://www.cyclenorway.com/routes/national-cycle-routes/overview/route-5/middelalderdalen-mjolkevegen/
Rallarvegen – Train to Haugastøl and then cycle all the way to Voss, where you can jump on the train back to Oslo or Bergen
http://www.ridewithgps.com/routes/39606831?privacy_code=E9Vjb0QdoUH3tbkG
http://www.cyclenorway.com/routes/national-cycle-routes/overview/route-4/hallingdal-og-rallarvegen/
The Great Norwegian Half divide is a remote route with limited train and public transport options. I feel it’s the sort of route you do when you know Norway well and have experience of the country. You will cycle hundreds of kilometers with very few options for food and accommodation.
Trondheim – Bodø route is a popular touring route. No gravel and plenty of ferries across the fjords. A very beautiful and unique area of the country. The route does not follow the train line, so you are limited to where you can jump on if you want to cut it short.
http://www.cyclenorway.com/routes/atlantic-coast-route/overview/route-2/trondheim-bodo/
I hope this advice helps!
Regarding Interrail, I’m unsure how you book a bike spot using that service. Are you aware of how that is done? Many years ago you had to phone the company and book a bike place manually. I am interested to hear about your experience using it.
