Well Moshe.. lots of ways to cover these areas (and more).
We have a set of FP that was created late in 2022 which contains routes for most of the RTMM areas in MSFS:
Link:
https://tinyurl.com/4sjdmtew which contains flight plans for the following areas:
1. USFS Cabins Excursions (Includes 10 separate Ranger Districts)
2. Alaska Lighthouses
3. British Columbia Lighthouses (Part 1 and 2)
4. Tongass Fjords Docks (A ad B)
5. Glacier Missions (Part 1 and 2).
Additionally, at the Misty flying Club (VA) there are those above trips as well many more tours/excursions.
MFC Link:
http://www.mistymooringsflyingclub.com/Either way, there is lots of material to fly and just about anyway you want to fly it!
Norm