Founders Parkway, Santa Fe Drive, North Perry Park Drive, & Sellars Gulch Trail loop

This road cycling loop is approximately 41.1 kilometers (25.5 miles) long and can generally be completed in just under two hours, specifically around 1 hour and 56 minutes, depending on your pace and fitness level.

While there isn't one designated 'starting point' for a loop, a good option could be near Festival Park in Castle Rock, as the Sellars Gulch Trail segment passes through it. Parking is generally available in public areas around Castle Rock, a Bicycle Friendly Community. Check local signage for specific parking regulations.

This loop is rated as 'moderate' due to its significant elevation gain of approximately 460 meters (1,509 feet) and rolling hills, particularly on sections like North Perry Park Drive. While it features well-paved surfaces, it requires a good level of fitness and might be challenging for absolute beginners. Riders comfortable with sustained climbs will enjoy it.

The route features mostly well-paved surfaces, making it ideal for road bikes. You'll encounter rolling hills on Founders Parkway and potentially more challenging climbs on North Perry Park Drive. Sections of Santa Fe Drive include shared-use paths and grade-separated underpasses for a safer experience. The Sellars Gulch Trail portion is an easy, paved multi-use trail.

You'll experience diverse landscapes, including butte formations, rolling hills, and open field vistas characteristic of Douglas County. The Sellars Gulch Trail is a notable highlight, featuring artistic murals in its underpasses and a memorial tribute to former Mayor Ray Waterman. This segment also winds through Festival Park.

The best time to cycle this loop is typically during the spring, summer, and fall months when the weather is mild and conditions are favorable. Colorado's high-desert climate means sunny days are common, but always check the forecast for Douglas County, especially for afternoon thunderstorms in summer or potential snow/ice in winter, which can make road cycling hazardous.

The Sellars Gulch Trail, a multi-use path, generally allows leashed dogs. However, as much of this loop is on public roads and shared-use paths alongside busy roads like Santa Fe Drive and Founders Parkway, it's crucial to keep dogs on a leash and ensure they are comfortable with traffic and other cyclists. Always adhere to local leash laws and trail regulations.

No, you do not need any specific permits or pay an entrance fee to cycle this loop. It primarily uses public roads and multi-use trails within Douglas County, which are generally free and open to the public for cycling.

Public transportation options in Douglas County, such as RTD services, may provide access to areas near the loop. However, direct public transport access specifically to a convenient starting point for this entire cycling loop might be limited. It's advisable to check the latest RTD schedules and routes for connections to Castle Rock or nearby areas if you plan to use public transport.

Yes, the route intersects with and utilizes sections of several other paths. Notably, it includes segments of the East Plum Creek Trail, Plum Creek Parkway Trail, and the Colorado Front Range Trail, offering connections to a broader network of trails in the area.

Given the moderate difficulty and length, you should bring plenty of water, snacks, and basic bike repair tools (spare tube, pump). Wearing appropriate cycling attire, including a helmet, is essential. Sunscreen and sunglasses are also recommended due to Colorado's high altitude and frequent sunshine.

Yes, as the loop passes through and near residential areas and the town of Castle Rock, you can find various cafes, restaurants, and convenience stores for refreshments. Festival Park, which the Sellars Gulch Trail goes through, is located in downtown Castle Rock, offering easy access to amenities.