Use this site by to get accurate directions from your starting point to Balblair by clicking Get Directions From here To here (in the balloon). Type in the address of your starting point (the more accurate the better). Click go and up will come a map with detailed directions. Print (already user friendly) and you should have an easy to follow schedule together with a sensible guide for journey time.
For smaller and larger scale maps zoom in and out (left hand side of the map) and scroll left, right, up and down above the zoom control. Click Satellite for a satellite picture of the area. Click More for photos and Wikipedia - find and click W (you may need to zoom out) for information and local history about Warburton.