Saturday August 16th at 8 AM, Estes Park Visitor Center Parking Garage:
Estes Park:
D Route 15.5 miles with 930-vertical-feet: ... west on Wonderview Avenue; to the end of Fall River Road Trail path; ... eastbound through downtown; ... Lake Estes Trail path; Fish Creek Trail path; Saint Vrain Avenue Trail path; ....
D Route Map: https://ridewithgps.com/routes/51493332 .
Estes_Park-Glen_Haven-Drake Loop: 28-miler with 2200-vertical-feet:
Estes_Park-Rocky_Mountain_National_Park Loop: 43-miler with 5300-vertical-feet, including Old Fall River Road with its nine-mile one-way gravel road climbing segment to the Alpine Visitor Center lot, [elevation of ~12k above sea level]; break at "Cafe at Trail Ridge"; then, Trail Ridge Road (U.S.34) to Deer Ridge Junction; Fall River Road (U.S.34); Wonderview Avenue (U.S.34), Estes Park; ....
A/B Route Map: https://ridewithgps.com/routes/40262255.
National Park Service information regarding bicycling this route: https://www.nps.gov/romo/planyourvisit/biking.htm.