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At the foot of the Rocky Mountains, the Coal Creek Regional Trail offers spectacular views of the front range. You can even identify surrounding peaks with the "peak finder" signage provided at the Aquarius Trailhead near Louisville. You'll meander along Coal Creek from west of Superior in Boulder County to Erie in Weld County, with occasional scenic bridge crossings and trail connections along the way. Be sure to watch for herons, ducks, raptors and many other birds and wildlife.
Parts of the trail are shaded with large cottonwood trees, while other areas offer wide open views of the countryside. Most of the pathway is hard-packed dirt and gravel, although some areas in danger of erosion have been paved with concrete.
In Louisville, you can connect to the US 36 Bikeway, a paved pathway paralleling the roadway between Denver and Boulder.
Near its western end, trail-goers can find parking and a trailhead in Superior, near the intersection of E. William Street and S. 1st Avenue, across from the Superior Town Office. In Louisville, parking and the Aquarius Trailhead can be found near the western border of Coal Creek Open Space Park, just off Empire Road.
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