The following may be of interest:
Scottish Outdoor Access Code – enjoy the Scottish hills responsibly. Also provides stalking information for selected hills.
Ordnance Survey maps and map references
- Guide to Ordnance Survey map references
- Online resource to find the map reference for a location
- Online resource to find which map sheet covers a location
Walkhighlands: free walks to inspire you
- Free-to-view OS maps (including 1:25000 scale after free registration) – and detailed descriptions for over 2000 walks
- Download route files to use with your GPS or smartphone
Who Owns Scotland search page – a map-based resource which can be used to identify estates, and (with luck) contact details.