Visit Colorado's four corners.

Here is a sample 1800-mile route from Morrison CO to the northwest, southwest, southeast and northeast corners.
paved, gravel, dirt - street bike for most of route, dual sport for the last miles to the NW, SE and NE corners.

Google Maps sample 4 corners route

Click on the following links for more details.

Northwest Corner 2014

Southwest Corner 2013

Southeast Corner 2014

Northeast Corner 2014,2008