Bald Hill – Crown Zellerbach Trail loop from Scappoose

If you're looking for a serious gravel biking challenge near Scappoose, the Bald Hill – Crown Zellerbach Trail loop delivers. This difficult 36.4-mile (58.5 km) route packs in 4104 feet (1251 metres) of climbing, taking roughly 4 hours and 39 minutes to complete. It's a demanding ride best suited for experienced gravel cyclists ready for varied terrain and significant elevation.

What to expect on Bald Hill – Crown Zellerbach Trail loop from Scappoose

Starting from Scappoose, you'll quickly find yourself immersed in a diverse landscape. The initial sections pass through marshy wetlands, offering glimpses of local birdlife, before transitioning into dense forests of fir, maple, and oak. The trail itself is a mix of surfaces; expect everything from paved sections and smooth-packed gravel to dirt, loose gravel, and even muddy singletrack, especially after rain. As you push west, the route gradually climbs towards the Nehalem Divide, with some sections reaching grades of up to 20%, making for a strenuous ascent. Be prepared for some "chunky" and "very big and loose gravel" in parts, particularly as you gain elevation, which demands wider tires and confident handling.

Planning your visit

This loop is a substantial undertaking, so plan accordingly. Starting from Scappoose provides convenient access to the Crown Zellerbach Trail. Given the varied and sometimes challenging terrain, a gravel bike with wider tires is highly recommended for optimal performance and comfort. While the trail is accessible year-round, conditions can vary significantly with weather; expect muddy sections after rainfall. Always check local conditions before heading out, and carry plenty of water and supplies for the duration of this difficult ride.

Trail details

• Distance: 36.4 miles (58.5 km)
• Elevation gain: 4104 feet (1251 metres)
• Difficulty: difficult
• Estimated time: 4 hours and 39 minutes