D River – North Old Scenic Highway 101 loop from Spyglass Ridge Open Space

If you're looking for a serious challenge on two wheels along the Oregon Coast, the D River – North Old Scenic Highway 101 loop from Spyglass Ridge Open Space is a difficult touring cycling route that delivers. This 84.0-mile (135.2 km) journey packs in 4739 feet (1444 metres) of climbing, taking around 8 hours and 28 minutes to complete, making it ideal for experienced cyclists seeking a full-day adventure away from the busiest roads.

What to expect on D River – North Old Scenic Highway 101 loop from Spyglass Ridge Open Space

Expect a diverse landscape as you navigate this loop. While Spyglass Ridge Open Space itself offers forested trails, your ride will primarily be on paved roads, including the quieter Old Scenic Highway 101. This alternative to the main U.S. 101 provides a more picturesque experience, winding through coastal views, past freshwater lakes, and into dense woodlands. Be prepared for significant climbs, especially near the Tillamook/Lincoln County line, where you'll ascend to 700 feet, one of the highest points on the Oregon Coast Bike Route. This route is best suited for touring cyclists with very good fitness levels who appreciate varied scenery and a demanding ride.

Planning your visit

Planning your ride on this challenging loop means being ready for its length and elevation. The Spyglass Ridge Open Space serves as a convenient starting or ending point, offering access to the road network. While the Old Scenic Highway 101 provides a less-trafficked experience, remember that the main U.S. 101 can have narrow shoulders and high traffic in sections, so plan your route carefully. Given the significant duration, an early start is advisable to make the most of daylight hours and avoid potential afternoon winds along the coast.

Trail details

• Distance: 84.0 miles (135.2 km)
• Elevation gain: 4739 feet (1444 metres)
• Difficulty: difficult
• Estimated time: 8 hours and 28 minutes