It is a good place to stay to explore this area, and has managed to avoid some of the excesses of tourism of Les Eyzies and Sarlat. There are some narrow winding streets to discover and some beautiful traditional houses to see. Although without particular monuments its riverside position makes it a very pretty and very popular little town.
It is also in an ideal position to explore the Vezere valley and its famous prehistoric sites. So unique is this richness in prehistoric sites that the Vezere Valley is a UNESCO World Heritage Site.
Market day is a Tuesday morning and is a particularly nice time to visit Le-Bugue.
The Aquarium (Aquarium du Perigord Noir) at Le Bugue is very popular - especially if you want to escape from prehistoric man for a short while (prehistory does rather dominate the region!).
Popular also is the nearby Village de Bournat where you can watch traditional crafts being practiced. This is an eco-museum showing what life was like in Le Bugue for our great-grandfather's generation. Whilst it is a museum it is lots of fun for children and is a popular excursion.
The Grotte de Bara Bahau is on the edge of Le-Bugue and contains a number of engravings made by prehistoric man. Also on the edge of town is the Gouffre de Proumeyssac with its huge cavern and wonderful collection of stalactites.
Le Bugue is superbly positioned to visit the many sights of the UNESCO listed Vezere Valley but is also not far from the wonderful villages and castles of the Dordogne valley.
Jacquou Park with its mix of theme-park style attractions targeted at children and combining swimming pools and slides and a mini farm is at Mortemart just a little north of Le-Bugue. There is a place to see wild boars nearby at Les Sangliers de Mortemart (you will see the word sanglier (wild boar) more than once on menus in the region).
This page in French: Le Bugue (version Francais)