Attadale has two Munros within its boundaries, Lurg Mhor (986m,3235ft) and Bidein a' Choire Sheasgaich (945m,3100ft). Due to the long walk/cycle in, they are regarded as two of the most inaccessible in Scotland.
Although in close proximity, both the summits are completely different. Bidein has a rounded narrow rocky summit making it a bit of a scramble, while Lurg Mhor has a much more terraced approach with a wide flat top. Both give fantastic views down into Monar, with much of the north facing slopes being almost sheer
For those wishing to 'bag' the disputed Meall Mhor (974m, 3196ft), the best route to follow is along the top (certain parts require a scramble). Please return the same way. This stops you having to lose a lot of height and it also prevents disturbance to the deer that tend to use the corries as a safe haven in summer for themselves and their young.
The best way to attack the summits is by following the ridge up Sail Riabhach to its summit GR(038404). From there follow the top along to the last steep ascent to Bidein. To reach Lurg Mhor, drop down into the saddle between Bidein and Lurg Mhor GR(054406) and follow the northern edge to the summit. Return to the saddle and drop down the stream that flows into the western edge of Loch Calavie GR(054404). This takes you down onto the track back to Beinn Dronaig.