Crestline Sidewinder Loop Trail is a 9.6 mile moderately trafficked loop trail located near Boise, Idaho that features beautiful wild flowers and is rated as moderate. The trail offers a number of activity options and it is best used from March until October. Dogs will also be able to use this trail.
Crestline is just one of my personal favorite loops, that i recently realized joins with all the riparian trail which leads up into the Upper Hull’s Gulch area. It’s an attractive hike, just bring lots of water during the summer time and be aware of cyclists!
Good overall hike but not really a great area for birding. Only a few varieties and appearances on the day I was there. This trail seems better for mountain biking than hiking and that’s mostly what you’ll see. It is a good length and relatively pretty if you appreciate desert scenery. There exists a tiny forested area in the beginning. The process level is probably near easy however with a route for enough time to deter small children. The inclines are incredibly mild compared to other moderate rated desert trails like Harrison Hollows.
Great trail system with access from many different starting points. Strongly suggest. Great for all ability levels, depending on your options of course. Best trail for dog owners! The Military Reserve posseses an off leash dog park and most trails are off leash. Take pleasure in the wildflowers in April & May! Among the need to do trails in the Boise Foothills, Sidewinder is actually a nice climb, great view, and a fun downhill. Somewhat crowded on weekends.
Here are some tips for dynamite hikes, trail-runs and bike rides in the Boise foothills. The guidelines result from my trail guides, Biking in Boise and Boise Trail Guide. It’s essential to focus on the mid- to decrease foothills trails in the early spring. The upper trails as well as the Boise Ridge Road are still snow-bound. The trails within the mid- to upper foothills, such as the Watchman Trail, continue to be wet and greasy in some places, so it’s better to wait for them to dry completely. Before you hit the trails, check out current trail conditions on the Ridge to Rivers website.
Military Reserve Short Loop – 2 miles, less than 1 hour hiking time. Easy, with a short hill. Here’s a shorter tour for families and small kids. Start in the Toll Road Trailhead from Mountain Cove Road. Rise the Toll Road Trail less than a mile to your junction. Go left and ascend towards the initial summit of Military Ridge. Turn left and descend on the singletrack trail resulting in Freestone Creek Trail over through the dirt road. Turn left on Freestone and go back to the trailhead.
Seaman’s Gulch Double Loop – 3 miles total. 1 hours hiking time; 30-45 minutes running time; half an hour riding time. Easy. Take Hill Road west in Boise for the Seaman’s Gulch/Hidden Springs right-hand turnoff. Go right and follow Seaman’s Gulch Path to a nice paved parking area and restroom close to a sizable water tank. Take the Valley View Trail #111 off to the right, and then go ahead and take first left on Trail #110 to Phlox Trail #112, turn left and return to the trailhead for any one-mile short loop. Now return back on Valley View, while keeping going to the actual “valley view” viewpoint provided by the trail, hanging above the Boise Valley. The trail loops around to fknihd and returns to the trailhead.
Cross-Foothills Ride (Intermediate; strenuous in places) – 10 miles. 2 hours riding time. Strong intermediate. Today, I rode as much as the Corrals Trail (trailhead is 1.8 miles north of Curling Drive on Bogus Basin Road), rode Corrals to Corrals Summit, and after that rode downhill on Corrals and Trail #1 over to Hulls Gulch. I took Crestline Sidewinder Loop Trail to Military Reserve, and dropped out on the Freestone Creek Trail in Military Reserve near Fort Boise. The hardest portion of the ride is climbing to Corrals Summit (3 miles uphill from trailhead, 1,200 feet of vertical gain). Then it’s mostly downhill to Military Reserve, with a few uphill sections in the middle. Fun ride! Hardy mountain trail runners would enjoy that route too.
Crestline-Hulls Loop – 7.25 miles. Moderate. 2.5 hours hiking time; 1.5 hours running time; 1.25 hours riding time. Intermediate. Start from Camelsback Park in Boise on N. 13th. Find the trailhead behind the tennis courts. Climb on Owls Roost and Kestrel to Crestline. Follow Crestline towards the Hulls Gulch Junction. Turn left and descend on Hulls Gulch. It’s rocky and uneven in places. Once you make it to the 8th Street trailhead by the Foothills Learning Center, turn right, cross 8th Street, and complete the ride on Red Fox Trail, which leads you back to Camelsback Park.
Variations on Crestline-Hulls Loop – Advanced. Ride the loop in reverse, or climb Hulls. It’s difficult, but fun! Another favorite of mine is to start at Camelsback Park, climb Hulls to the Crestline junction, ride Crestline to the Sidewinder trailhead, climb Sidewinder, fall Trail #4 to the Hulls Crestline junction, and descend Hulls and Chickadee Ridge returning to Camelsback.