Altamont Pass to Patterson Pass loop

This challenging racebike loop typically takes around 3 hours and 58 minutes to complete. However, your actual duration may vary based on your fitness level, pace, and how often you stop to enjoy the views.

The route features mostly well-paved surfaces, ideal for road cycling. However, be aware that some segments might be unpaved and more challenging. You'll encounter significant elevation changes, particularly the climb up Patterson Pass, which has grades of 4-7% and steep sections reaching 12-16% near the summit. Altamont Pass also includes notable climbing sections.

This loop offers several unique sights. You'll ride through sections of the California Aqueduct Bikeway, experience the iconic Altamont Pass with its historic wind farm, and conquer the challenging climb to Patterson Pass, which offers spectacular valley views.

While specific parking locations are not detailed, cyclists typically start this loop from areas around Livermore. It's advisable to check local parking regulations and availability in Livermore before your ride, especially if you plan to start early.

Late winter and early spring are ideal, as the rolling, treeless hills transform into a 'pastoral paradise' with lush green grasses. However, wind can be a significant factor in this area year-round, especially near the wind farm. Always check wind conditions before planning your ride, as strong winds can greatly increase the difficulty.

This route is generally classified as 'moderate' and requires good fitness due to its significant climbs, particularly the challenging ascent of Patterson Pass. While not extreme, it's not recommended for absolute beginners to road cycling. Cyclists with some experience and good physical condition will find it more enjoyable.

Yes, the route includes sections of the California Aqueduct Bikeway and also passes through parts of the Altamont trail system.

No, there are no specific permits or entrance fees required to cycle the public roads that make up the Altamont Pass to Patterson Pass loop.

This route is primarily a road cycling loop designed for racebikes on public roads. It is not typically considered suitable or safe for bringing dogs, especially given the traffic on some sections and the nature of road cycling.

Wind is a crucial factor on the Altamont Pass to Patterson Pass loop. The area, particularly near the Altamont Pass Wind Farm, is known for strong winds, which can significantly increase the ride's difficulty and impact your pace. Always check the wind forecast before heading out.

The loop itself passes through remote areas with limited amenities. However, the nearby city of Livermore offers various cafes, restaurants, and other services where you can refuel before or after your ride.