2
riders
02:40
41.7km
510m
Cycling
This difficult 25.9-mile touring cycling loop in Rifle Gap State Park offers 1657 feet of elevation gain and scenic views.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
1.94 km
Highlight • River
Tip by
17.6 km
Highlight • Settlement
Tip by
41.7 km
End point
Parking
Way Types & Surfaces
Way Types
27.2 km
9.78 km
2.69 km
2.05 km
Surfaces
41.4 km
263 m
< 100 m
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (1,980 m)
Lowest point (1,650 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Today
Saturday 16 May
26°C
9°C
56 %
Additional weather tips
Max wind speed: 26.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
This route is categorized as a "Hard bike ride" by Komoot and demands a very good fitness level. It covers approximately 41.7 kilometers (26 miles) with a significant elevation gain of about 505 meters (1,673 feet), making it suitable for experienced touring cyclists seeking a challenge.
The terrain is mostly paved, but be prepared for some segments that may be unpaved and difficult. In these sections, you might even need to push your bike. The route offers a mix of surfaces that will test a cyclist's versatility.
On average, completing the New Castle/Harvey Gap loop takes approximately 2 hours and 40 minutes. However, this can vary based on your fitness level, pace, and how often you stop to enjoy the scenery.
You can expect diverse Colorado landscapes. The route connects the towns of New Castle and Silt, passing through Harvey Gap State Park. You'll see views of the reservoir, wetlands, birds, and mountains, including the Grand Hogback ridge. The historic downtown of New Castle also offers a charming backdrop.
While specific parking areas are not detailed, you can generally find access points and parking near the towns of New Castle or Silt, or within Harvey Gap State Park. It's advisable to check local regulations for parking within the state park.
Harvey Gap State Park is known for its clean water and scenic views. As a state park, it typically requires a valid pass for entry, which can be a daily pass or an annual pass. Always check the official Colorado Parks and Wildlife website for the most current regulations regarding permits, fees, and specific cycling rules within the park before your visit.
While specific dog policies for the entire loop are not detailed, Harvey Gap State Park generally allows dogs on leashes in designated areas. However, it's crucial to verify the most current dog regulations for both the state park and any other sections of the trail you plan to ride, as rules can vary.
The best time to ride the New Castle/Harvey Gap loop is typically during the spring, summer, and fall months when the weather is most favorable for cycling. Always check local weather conditions, especially in spring and fall, as mountain weather can be unpredictable.
Yes, the route incorporates sections of several other paths. You will find yourself on parts of the Talbot Trail, Castle Valley Bike Route, Lower Jolley, Middle Jolley, Oso's DH, Prendergast Hill, Hogback Truck Trail, Medaris Ditch, and Medaris West during your ride.
For touring cyclists, the demanding nature of this loop provides a substantial workout. The combination of paved and potentially unpaved sections means you should be prepared for varied conditions. The significant elevation gain offers a rewarding challenge, and the scenic beauty of Harvey Gap State Park provides picturesque stretches for riders looking for a significant day ride.