This route starts at the hotel, pay £5 for parking in reception. Gets you 10% off food etc. in the hotel. 1:50 drive from Aberdeen - either via Braemar or A90.
Summits:
All three is 6.5hrs walking, plus 3 activations, so circa 8-8.5hrs
Alternatively, with cycling up towards the loch, along Allt Easgaidh, for 30 minutes (or as far as practical given the incline).