Grab some pamphlets at Ferrycroft Visitor Centre. This place has all the info you need to make the most of your visit to the area.
If you're trying to figure out what else there is to do after you've visited Ferrycroft Visitor Centre in Lairg, you have loads of choice. Stop by Ravens Rock Gorge. It's conveniently near the tourist information center and offers another insight into the character of this area.