We did this ride in July 2013, The Riders: REVS, XR650R and his son Davin(15) on a XR400R, gecco 162 on my much faster than REVS, XR650R, my son Connor(14) ON WR450F and pastrana on his DRZ400E.
We trailered the bikes up to Zuurberg for two reasons, 1. We dont like tar, 2. Did not want the two...