Wow thanks for all the advice, my mind it made up and going to change my first route to go this way. If the weather is good (aka 2018:sweat_smile: ) may route over Carn a Choire Ghlais & Carn a Choire Leith. There are some waterfalls down the Allt an Muic so plan to find a camp in that general area, google earth shown up a few spots.

Martha.
Looks like are routes cross, we will be heading out from top Loch Affric day 3 (Sun)!!

Coincidentally I was just looking at this as a FWA - interesting; thanks.