The best traffic-free bike rides in King County

The Rattlesnake Lake/Three Forks loop offers a captivating road cycling experience through the heart of the Snoqualmie Valley. You'll pedal past the tranquil Rattlesnake Lake, follow the winding Snoqualmie River, and enjoy expansive views from the Three Forks Natural Area, where the river's forks converge. This route combines paved sections with packed gravel, providing a diverse ride that keeps the scenery fresh and engaging.

This moderate 23.5-mile (37.9 km) road cycling route, with 1117 feet (340 metres) of elevation gain, typically takes about 2 hours and 4 minutes. Due to the mixed terrain, a gravel bike or a road bike equipped with wider tires is highly recommended for optimal comfort and performance. While no specific parking details are provided, plan to arrive early, especially on weekends, to secure a spot at popular access points.

Beyond the ride itself, this area is rich in history, with portions of the route following the historic Chicago, Milwaukee, St. Paul & Pacific Railroad bed. You'll also find access to the famous Snoqualmie Falls nearby, making it a great option for those looking to combine their cycling with other regional highlights. It's a fantastic choice for cyclists seeking scenic road cycling routes with a touch of adventure.

The Monroe/Duvall gravel loop offers a quintessential Pacific Northwest cycling experience, blending river valleys, green farmlands, and forested areas. You'll encounter diverse surfaces, from the packed gravel of the Snoqualmie Valley Trail winding alongside the Skykomish River to paved roads and some more rugged, chunkier gravel sections. Keep an eye out for views of the Cascade foothills as you navigate this dynamic landscape, passing by natural features like Lake Joy.

This difficult 46.4-mile (74.7 km) route includes 1824 feet (556 metres) of elevation gain, taking approximately 5 hours and 50 minutes to complete. It's best suited for cyclists with good fitness and a gravel bike equipped with tires wider than 32mm, ideally 35mm or more, to comfortably handle the varied terrain. Starting early is recommended, especially on weekends, to allow ample time and avoid busier periods on popular sections.

What makes this route stand out is its ability to combine various trails and roads, allowing for a customizable adventure through the region's scenic beauty. It offers a blend of expansive open spaces and wooded sections, providing a peaceful and ever-changing backdrop for your ride. This connectivity means you can tailor your experience, exploring different communities and natural areas within the Monroe and Duvall vicinity.

The Carnation Valley loop offers a delightful road cycling experience through the scenic Snoqualmie Valley, winding past lush forests, expansive farmland, and the tranquil waters of Lake Joy. You'll enjoy mostly well-paved surfaces, making for a smooth and enjoyable ride as you take in the rural charm and distant Cascade foothills. This route is perfect for those who appreciate a peaceful journey through picturesque landscapes.

Planning your ride on the Carnation Valley loop is straightforward; it's generally accessible year-round, with spring and fall being particularly pleasant for cycling. Parking is available in the Carnation area, which serves as a common starting point for many local routes. Remember to bring sufficient water, especially on warmer days, as amenities can be sparse along the route.

This moderate 27.2-mile (43.8 km) road cycling route, with 1133 feet (345 metres) of elevation gain, takes about 2 hours and 5 minutes to complete. It's a popular choice among local riders for its balance of challenge and beauty, offering a taste of the Snoqualmie Valley's diverse terrain without requiring advanced fitness. You'll also find Carnation Farms along the way, a notable local highlight.