In case it helps, the intersection of Ridge Road and Sage Mountain Road is at N 18° 24.892', W 64° 38.980'.

There's an observation platform (or at least there was 11 years ago) with a nice view of the SFD channel at N 18° 24.546', W 64° 39.304'.

Dan <img src="http://www.traveltalkonline.com/forums/images/graemlins/Cheers.gif" alt="" />