The best road cycling routes around Issaquah

Embark on a moderate road cycling adventure around Mercer Island and along the Mountains to Sound Trail. This 34.0-mile (54.6 km) loop, with 1621 feet (494 metres) of elevation gain, typically takes about 2 hours and 36 minutes to complete. As you pedal, you'll enjoy expansive views of Lake Washington, the Seattle and Bellevue skylines, and on clear days, the majestic Mount Rainier. The route combines urban vistas with serene wooded sections and waterfront perspectives, offering a diverse cycling experience.

This route is almost entirely paved, making it perfect for road cycling. The I-90 floating bridge features a dedicated bike lane, ensuring a safe connection between Seattle and Mercer Island. The moderate difficulty means it's suitable for most skill levels, whether you're looking for a leisurely ride or a training session. Plan your visit for a clear day to fully appreciate the panoramic views.

The route is a distinctive part of the Seattle area's cycling network, primarily using the I-90 trail segment of the Mountains to Sound Greenway. This connection provides a unique opportunity to experience the region's natural beauty alongside its urban landscape. It's a popular choice for locals and visitors alike, offering a memorable journey through one of the Pacific Northwest's most scenic areas.

Embark on a moderate road cycling adventure along the Mountains to Sound Greenway Trail, covering 36.9 miles (59.5 km) with an elevation gain of 1964 feet (598 metres). You can expect to complete this route in about 2 hours and 49 minutes. As you pedal, you will witness a dynamic blend of urban landscapes and natural beauty. Enjoy unparalleled views of Lake Washington, especially as you cross the iconic I-90 floating bridge. The trail also offers glimpses of downtown Seattle from Dr. Jose Rizal Park, providing a unique perspective of the city.

The Mountains to Sound Greenway Trail is designed for year-round accessibility, thanks to its primarily paved surfaces. You will find that the route is largely separated from motor vehicle traffic, ensuring a safer and more enjoyable ride. While the trail is continuously expanding, the completed sections offer a consistently smooth cycling experience. For specific parking details, it is best to check local information depending on your chosen starting point.

This route is a significant part of the larger Mountains to Sound Greenway National Heritage Area, highlighting its importance in connecting natural and urban environments. The experience of crossing the I-90 floating bridge on your bike is a truly unique feature that sets this trail apart. You will also pass through diverse green spaces, such as Mercer Slough Nature Park, known for its rich wetlands.

This difficult road cycling route offers a challenging blend of urban views and forested climbs. You will experience the varied landscapes of Mercer Island, with glimpses of Lake Washington and the skylines of Seattle and Bellevue, before heading into the more secluded, natural environments of the Issaquah Alps. The 57.8-mile (93.1 km) loop demands good fitness, featuring a significant 3130 feet (954 metres) of elevation gain. Expect to spend around 4 hours and 35 minutes on this ride, navigating both rolling hills and sustained ascents. It's a journey that combines the best of both worlds: city vistas and tranquil forest paths.

Planning your ride on this loop requires careful consideration. While the I-90 bridge is a common entry point, be prepared for high traffic and noise, especially during peak times. On Mercer Island, some sections may lack a dedicated shoulder, so it is important to ride with caution and stay alert to vehicle traffic. This route is considered difficult and requires very good fitness, so ensure you are well-prepared for a demanding day in the saddle. Always check local conditions before you head out, and consider starting early to avoid the busiest periods.

This route is notable for its unique combination of two distinct geographical areas: the urban-adjacent Mercer Island and the more rugged Issaquah Mountain region. It provides a comprehensive road cycling experience that showcases the diverse topography surrounding Seattle. The ride offers a chance to cross the East Channel Bridge, which provides unique perspectives of the surrounding waterways and land. This loop stands out as a challenging option for road cyclists looking to push their limits while enjoying a mix of scenic beauty and demanding terrain.

Cycle the challenging 5.2-mile Squak Mountain Loop in Issaquah, gaining 1018 feet of elevation through a scenic forested route.