Sourdough Trail – Sourdough Trail Grafs Park loop from Bobcat Stadium

If you're looking for a serious gravel biking challenge in Bozeman, the Sourdough Trail – Sourdough Trail Grafs Park loop from Bobcat Stadium delivers. This difficult 29.2-mile (47.1 km) route packs in 1986 feet (605 metres) of climbing, taking around 3 hours and 23 minutes to complete, making it perfect for experienced riders with very good fitness.

What to expect on Sourdough Trail – Sourdough Trail Grafs Park loop from Bobcat Stadium

While Komoot classifies this as a "hard gravel ride," you'll find a mix of mostly paved surfaces and unpaved sections, especially along the Sourdough Trail itself. This segment, running from Grafs Park, is generally a compacted gravel path, winding alongside Bozeman Creek through open fields and shaded areas. You'll get glimpses of the prominent Bridger and Gallatin Ranges in the distance, offering a diverse backdrop from river-side paths to mountain ascents. Expect a demanding ride that tests your endurance, ideal for those who appreciate varied terrain and significant mileage.

Planning your visit

Given the length and elevation, plan to carry plenty of water, especially on warmer days. The route starts from Bobcat Stadium, so parking should be available there. While specific seasonal warnings aren't noted, the diverse terrain and elevation suggest checking local weather conditions, particularly for gravel sections, to ensure an enjoyable ride. Early mornings are often best to avoid heat and potential afternoon winds.

Trail details

• Distance: 29.2 miles (47.1 km)
• Elevation gain: 1986 feet (605 metres)
• Difficulty: difficult
• Estimated time: 3 hours and 23 minutes