Cascade Falls – Mount Constitution loop from Orcas Island

If you're looking for one of the most rewarding and challenging road cycling routes on Orcas Island, the Cascade Falls – Mount Constitution loop from Orcas Island delivers. This difficult 27.6-mile (44.3 km) route packs in 3754 feet (1144 metres) of climbing over roughly 3 hours and 3 minutes, making it a serious test for any cyclist seeking panoramic views and a significant physical challenge.

What to expect on Cascade Falls – Mount Constitution loop from Orcas Island

As you tackle the climb, you'll pass through dense, old-growth forests, especially around Cascade Lake. The real reward comes as you ascend Mount Constitution, where the paved road features significant and sustained climbing with grades that can steepen to 15% in sections. While Cascade Falls requires a short dismount and walk from the road, the panoramic 360-degree views from the Mount Constitution summit, stretching across the San Juan Islands and to Mount Baker, are your ultimate prize. This route is definitely for experienced road cyclists with good fitness who crave a challenging ascent.

Planning your visit

The route is entirely within Moran State Park. While there isn't a single dedicated trailhead for the full loop, you'll find parking available near Cascade Lake, with the Cascade Falls parking area located about 0.4 miles up Mount Constitution Road. Clear days are essential to fully appreciate the stunning 360-degree views from the Mount Constitution summit, so check the weather before you go.

Trail details

• Distance: 27.6 miles (44.3 km)
• Elevation gain: 3754 feet (1144 metres)
• Difficulty: difficult
• Estimated time: 3 hours and 3 minutes