Sunshine Canyon is a steep ride out of Boulder. Starting at the western edge of town it ascends through the foothills until the paved road ends at gravel near the old town of Sunshine. The area near the top of the climb was in a major wildfire in 2010 and now has much less forest than it once did.
Don't have FulGaz already?
Download FulGaz now and ride Sunshine Canyon on your home trainer. You'll then feel every change in gradient and see every turn in up to 4K video.