Find a Map
> Boulder to Lyons to Hygene and back to Boulder
This is a fun ride. Some hills but overall pretty easy.
The USGS topographic map below is custom-centered on Boulder to Lyons to Hygene and back to Boulder. Customize a map online, and we'll print and ship you a
large-format waterproof map. Custom prints start at only $9.95 for an 18" x 24" field map, but you can build huge 5' x 8' wall posters too!