Crestline and Lower Hulls Gulch Loop

The loop is easily accessible from Camel's Back Park in Boise. This is a popular starting point, especially for after-work rides. You can often find parking near the park.

Yes, Boise's public transport system, specifically bus route 16, can take you to the vicinity of the Hulls Gulch trailhead, making it accessible without a car.

No, you do not need any special permits or have to pay an entrance fee to access the trails within the Hulls Gulch Reserve, including this loop.

Yes, the Lower Hulls Gulch trail has unique directional rules based on the calendar day. On odd-numbered days, it's designated for downhill bike traffic only. On even-numbered days, it's open to hikers and equestrians (both directions) and uphill mountain bike traffic only. Always check the date before you go!

The loop offers diverse terrain. It typically starts with a moderate climb on trails like Kestrel. The Crestline Trail is wider and flowy, often called 'The Freeway'. The descent along Lower Hull's Gulch Terminus is notably rocky with moderate rock gardens and occasional creek crossings, requiring careful line selection. This section also has a sandier composition, making it more resilient to wet weather.

The loop is generally considered moderate to intermediate. While the Crestline section is relatively easy and flowing, the initial climb can be moderate. The Lower Hulls Gulch descent presents the most significant technical challenge due to its rocky nature, and some sections may require advanced skills or even brief hike-a-bike.

You'll enjoy great views of the Boise Foothills, surrounding mountains, and panoramic vistas of the city of Boise, especially from the View of Boise from Hull's Gulch Reserve. The trail also winds through native grasses, riparian trees, and shrubs, offering opportunities to spot wildlife and waterfowl.

The trail is popular year-round, but spring and fall offer ideal conditions with milder temperatures. The sandier composition of Lower Hulls Gulch makes it more resilient to wet weather compared to other trails in the area, so it can be a good option even after some rain.

Generally, dogs are allowed on trails within the Ridge to Rivers system, which includes this loop. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users.

Yes, the route also passes through sections of the #28 Crestline, #29 Lower Hulls Gulch, #39 Red Cliffs, #39 Owls Roost, #38 The Grove Loop, Chickadee Ridge #36A, Gold Finch #35, #39A Kestrel, and Red Fox #36, among others.

For mountain biking, the average riding time for this loop is under an hour, though this can vary based on your pace and skill level, especially with the technical sections on Lower Hulls Gulch.