Jenner-by-the-Sea loop from Guerneville

If you're looking for a touring cycling challenge that delivers incredible coastal views, the Jenner-by-the-Sea loop from Guerneville is one to consider. This is a difficult 45.5-mile (73.2 km) route with 3294 feet (1004 metres) of climbing, typically taking around 4 hours and 49 minutes. It's perfect for experienced cyclists with very good fitness who want to earn their panoramic Pacific vistas on a demanding ride.

What to expect on Jenner-by-the-Sea loop from Guerneville

This cycling route takes you on a journey from the serene Russian River Valley to the rugged Northern California coastline. You'll pedal through picturesque river valleys and redwood forests before reaching Jenner itself, where the Russian River meets the Pacific Ocean, often featuring a sand spit that is home to seal colonies. Expect significant elevation changes and challenging climbs, especially on the coastal sections, but the effort is rewarded with truly spectacular vistas of the Pacific Ocean and the Russian River estuary.

Planning your visit

The route is mostly on paved surfaces, though some segments might be unpaved and challenging to ride. Given the varied terrain and the juxtaposition of the cool, often foggy coast with warmer inland river valleys, it's wise to check weather patterns Sonoma Coast cycling before you go. Parking for Jenner-by-the-Sea cycling loop is available in Guerneville, and the route is best suited for those with good to very good fitness levels.

Trail details

• Distance: 45.5 miles (73.2 km)
• Elevation gain: 3294 feet (1004 metres)
• Difficulty: difficult
• Estimated time: 4 hours and 49 minutes