i have found all hgt-files of scandinavia:
http://www.viewfinderpanoramas.org/dem3.html#scand
- unpack and place the hgt-files to \Rail Simulator\DEM\SRTM\*.hgt
- edit \Rail Simulator\Assets\Kuju\RailSimulator\TemplateRoutes \Default.bin
<OriginLongitude d:type="sFloat64" d:alt_encoding="00000000000034C0" d precision="string">20.0000</OriginLongitude>
<OriginLatitude d:type="sFloat64" d:alt_encoding="0000000000805640" d precision="string">67.0000</OriginLatitude>
(n67e020 for Kiruna)
- start the game
- make a new route
- edit the route, fly to the coordinates and press "T"
- save
- fly to the next coordinates, edit, press "T", save .....