Bonny Doon & California Coastal National Monument loop from Santa Cruz

This loop is considered a moderate to strenuous road ride, requiring good fitness due to substantial elevation gains. The Bonny Doon climb itself is a key feature, with a 2.3-mile stretch averaging a 9.4% grade, and some quarter-mile segments reaching 12.4%. While much of the route is well-paved, some segments may be unpaved or difficult, especially on longer variations.

Cyclists will experience a dramatic shift in scenery, transitioning from spectacular coastal vistas near the ocean to deep redwood forests as you climb into the Santa Cruz Mountains. Sections like Ice Cream Grade are particularly beautiful, offering dense forest surroundings and a sense of solitude.

The route is approximately 53.3 kilometers (33.1 miles) long and typically takes around 2 hours and 50 minutes to complete by racebike, depending on your pace and stops.

While the route starts from Santa Cruz, specific parking details are not provided. However, popular starting points often include areas near the Santa Cruz Boardwalk or other public parking facilities in Santa Cruz. Consider parking near the coast to easily access the initial coastal sections.

The best time to ride this loop is generally during the spring and fall when temperatures are mild and the weather is more stable. Spring can offer wildflower viewing, while fall provides pleasant conditions. Always check local weather forecasts, especially for coastal fog or rain, before heading out.

This route is primarily a road cycling loop. While dogs are generally not suitable companions for road cycling, specific regulations for dogs in the areas traversed (like the California Coastal National Monument or local parks) would vary. Always check local park rules if you plan to bring a dog to any adjacent areas.

No specific permits or entrance fees are required to cycle this public road loop. However, if you plan to visit any state parks or specific attractions along the way, they might have their own fees or regulations.

Beyond the challenging Bonny Doon climb, you'll pass by the iconic Santa Cruz Boardwalk, enjoy access to the coast at Four Mile Beach Access, and ride sections of the Wilder Ranch Bike Path. The route also offers dramatic views of the California Coastal National Monument and passes through majestic redwood forests.

The Bonny Doon climb is particularly notable for its inclusion multiple times in the prestigious Tour of California professional cycling race. It has historically been a decisive point for overall classification in the race, adding a layer of prestige and challenge for cyclists tackling the route.

Yes, the route intersects with or runs alongside several other paths. You'll find sections of the Coastal Rail Trail, Wilder Ranch Bike/Pedestrian Path, and the Monterey Bay Sanctuary Scenic Trail. It also touches parts of the Ohlone Bluff Trail and Old Cove Landing Trail in certain areas.

Starting and ending in Santa Cruz, you'll have access to numerous cafes, restaurants, and shops. While the more rural sections of the Bonny Doon climb might have fewer options, planning your stops in Santa Cruz or nearby coastal towns is recommended.