Shirland Canal, Pioneer Express and Cardiac Bypass Loop
Shirland Canal, Pioneer Express and Cardiac Bypass Loop
3.3
(22)
91
riders
00:48
8.09km
120m
Cycling
The Shirland Canal, Pioneer Express and Cardiac Bypass Loop offers a dynamic touring bicycle experience, blending shady gravel paths along the Shirland Canal with more varied singletrack and fireroad sections of the Pioneer Express and Cardiac Bypass trails. You'll pedal through oak woodlands, enjoy views of the American River Canyon…
Last updated: June 9, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
64 m
Highlight • Rest Area
Tip by
464 m
Highlight • River
Tip by
2.20 km
Highlight (Segment) • Trail
Tip by
8.09 km
End point
Parking
Way Types & Surfaces
Way Types
7.45 km
302 m
186 m
144 m
Surfaces
7.45 km
488 m
144 m
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Elevation
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Weather
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Today
Monday 13 July
36°C
21°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The trails are located within the Auburn State Recreation Area. You can typically find parking at access points like Railhead Park, which is a good starting point for this loop. Be aware that parking fees may apply within the State Recreation Area.
Yes, as the trails are located within the Auburn State Recreation Area, there may be parking fees and other regulations. It's advisable to check the official Auburn State Recreation Area website for the most current information on fees and permits before your visit.
The overall loop is rated as 'easy' for touring cyclists by komoot, with a distance of about 8 km (5 miles) and moderate elevation gain. However, sections of the
Pioneer Express Trail
can be rugged with steep slopes, and parts of theCardiac Bypass Trail
can have 'Blue' difficulty for mountain biking, even with switchbacks. While theShirland Canal Trail
is mostly flat and easy, beginners should be prepared for varied terrain and some challenging sections within the full loop.For touring cyclists, this 8 km (5 mile) loop typically takes around 48 minutes to complete. This duration can vary based on your cycling pace, the number of stops you make, and your fitness level.
The loop offers diverse terrain. The
Shirland Canal Trail
is generally flat, gravel, and shady. ThePioneer Express Trail
can range from dirt to gravel, with some rugged sections and steep slopes. TheCardiac Bypass Trail
winds through trees with moderate to strenuous sections, utilizing switchbacks. You'll encounter a mix of surfaces and gradients throughout the ride.You'll experience varied scenery. The
Shirland Canal Trail
offers views of the canal and passes through riparian and foothill woodlands. ThePioneer Express Trail
provides vistas high above Folsom Lake, with views of the canyon and river. TheCardiac Bypass Trail
also offers diverse views of the canyon, river, and wildflowers in season, passing through old growth manzanita chaparral and oak woodlands.The trail can be enjoyed year-round. The
Shirland Canal Trail
is shady and can be mossy and green even in winter. Spring brings wildflowers, and fall offers pleasant temperatures. Summer can be hot, so early morning or late afternoon rides are recommended during warmer months. Always check local weather conditions before heading out.These trails are generally multi-use, shared by cyclists, hikers, and sometimes equestrians. While dogs are often permitted in the Auburn State Recreation Area, it's crucial to keep them on a leash and practice good trail etiquette. Always check current park regulations regarding pets.
Yes, this loop is part of a larger trail system. It incorporates sections of the
ADT - California - T - Seg 5
,Shirland Canal Trail
,WST - Pioneer Express Trail
, andCardiac Bypass Trail
. You may also encounter smaller segments likeSpinal Tap
,Vista Del Lago - Pioneer Express Connector
,Cardiac Trail
, andStu's Trail
along the route.The diverse ecosystems along the loop support various flora and fauna. You can expect to see wildflowers in season, different bird species, and amphibians, especially near the canal. The trails pass through riparian areas, foothill woodlands, and manzanita chaparral. Be aware that poison oak is present in the area, so caution is advised.
The loop passes by Railhead Park, which typically offers facilities. Given its location within the Auburn State Recreation Area, you might find restrooms or water sources at designated park areas. However, it's always best to carry enough water and supplies for your ride, as amenities might be sparse on certain trail sections.
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