Go to your google map and change your setting to bicycling and it outlines the bike trails for you
If you go to trailforks.com they are mapped out there. At least the singletrack that runs along the bayou between Genoa Red Bluff and Fairmont.
I don't know if there is a map. I would like to see one too. There are some cool trails to ride though.
MTB Project by REI has a pretty decent map of these trails and others in the area.
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