Hillsboro and Hagg Lake Loop

The core 10-10.3 mile (16.6 km) loop around Henry Hagg Lake is paved with rolling hills and some short, steep ascents up to 8% grades. It's generally considered an easy pedal with wide shoulders. Longer routes originating from Hillsboro, extending to 42.3 miles (68 km), are predominantly paved (up to 97%) but may include small unpaved sections and more significant climbs through farmlands and vineyards.

The 10-10.3 mile paved loop directly around Henry Hagg Lake is considered an 'easy pedal' despite some rolling hills and short, steep sections. Its low traffic and wide shoulders make it accessible for a range of fitness levels, including beginners. Longer routes starting from Hillsboro are rated moderate and require good fitness.

The full 68 km (42.3 miles) route, including the loop around Hagg Lake and starting from Hillsboro, typically takes around 2 hours and 46 minutes to complete for a racebike. The shorter 10-10.3 mile (16.6 km) loop around the lake itself would take considerably less time, depending on your pace.

Henry Hagg Lake and the surrounding area are part of Scoggins Valley Park. While the trail research doesn't specify cycling-specific fees, it's common for regional parks to have day-use or parking fees. It's advisable to check the official Scoggins Valley Park website for current entrance fees, parking permits, and specific regulations before your visit.

Parking is available at various points around Henry Hagg Lake. In recent years, 'Bike Hubs' have been installed at key locations, which provide convenient access and amenities. For longer routes starting from Hillsboro, you would typically begin in the city itself and cycle towards the lake.

The route offers scenic beauty year-round. However, for comfortable cycling, spring through fall is ideal. Summer allows for additional activities like swimming in the lake on hot days. The area is also suitable for winter road cycling, though weather conditions should be checked. The Tualatin Valley's vineyards are particularly picturesque in late summer and early fall.

The route offers stunning views of Henry Hagg Lake and panoramic vistas of the Oregon Coast Range mountains. As you extend into the Tualatin Valley from Hillsboro, you'll pass through picturesque farmlands, vineyards, and natural areas. You'll also pass by the Fernhill Wetlands, a notable natural area.

Yes, the route incorporates sections of several other trails. Notably, it covers significant portions of the Hagg Lake Trail and also passes through segments of the Tualatin Valley Scenic Bikeway. Other smaller intersecting trails include the Levee Trail and the Highway 47 Trail.

Yes, especially around Hagg Lake. 'Bike Hubs' have been installed at key locations, offering tools, pumps, and in some cases, solar-powered USB charging stations. The area around Henry Hagg Lake also provides access to other recreational activities like boating, kayaking, hiking, and disc golf, with rest stops available.

While the specific dog regulations for cycling are not detailed, Henry Hagg Lake and Scoggins Valley Park are multi-use recreational areas. Generally, dogs are permitted in parks on a leash, but it's always best to verify the most current pet policies directly with Scoggins Valley Park authorities before bringing your dog.

The trail research indicates that the route originates from Hillsboro, which offers various amenities including cafes and restaurants. While specific establishments directly on the Hagg Lake loop aren't mentioned, Hillsboro provides options for pre- or post-ride refreshments. The Tualatin Valley also features vineyards, some of which may have tasting rooms or cafes.