I would have liked to use my drone around this area hiking but looks like not possible looking at the Nofly drones site.A large area restricted North of Fort William
Don’t use Notify Drones, it’s rubbish. Go straight to the CAA’s official source - Airspace and drones - NATS - which shows this area is mostly fine with a few ground hazards. This site explains the military flight paths which are what’s showing up in your maps - Guide to Drone Photography in Scotland