I have a 1 km section of my newly built mountain bike network in Northern Iceland that is passing over slick rock. There are no trees and no soil to stick a pin into. Just sweet slick rock (like moab?). I can´t figure out how to mark the general trail line. I consider cairns or painted rocks to line the trail, but small rocks and cairns seems to getting pushed around by snow and ice during winter time (from november till may). Any suggestions? How is it done in Moab?
Thanks for your help!
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