The ride begins with a beautiful cruise along pristine Siskiyou Lake, then test your mettle with a challenging climb up a scenic one lane windy mountain pass to Mumbo Summit along the Sacramento River. The river should be rushing and wildflowers blooming along the way! Enjoy a refreshing rest stop at the top of Mumbo Summit with fabulous views to the West. Then enjoy a fantastic downhill segment with distant views of Shasta lake, the Trinity Alps and Scott Valley.
*Caution* Event rides are intended to only be ridden during the supervised event. The routes below may contain hazards that are only made safe by event staff. For example, some routes may be high-speed traffic corridors, with no shoulder, that are closed to motorized traffic for the event. Further, some routes may be through private property that only have a public right of way access during the annual event. These routes are intended to only inform riders whom are planning on attending this event. To ride these event routes without event staff supervision is to ride at your own risk.
Half Century (50 KM)
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Metric Century (100 km)
View Castle Crags Century Event – 100 KM in a larger map
Castle Crags Century (97 miles)
View Castle Crags Century Event – 97 MI in a larger map