ACA Headquarters to Yellow Rock Campground
Roll out from the home of Adventure Cycling Association, glide up the Bitterroot Valley on a smooth paved trail, and pitch your tent beneath the mountains for an easy night out.
- Distance
- 30.5 miles
- Surface
- 100% paved
- 1–2 days
- Route Type
- Loop
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Ride the ACA Headquarters to Yellow Rock Campground
Start at Adventure Cycling headquarters in Missoula and follow the nearly all-paved Bitterroot Trail south past Lolo to Yellow Rock Campground, returning the next day.
What to Expect
A low-key out-and-back built for a first loaded ride, a family overnight, or a quick reset close to town. The riding stays straightforward while the Bitterroot Mountains make the trip feel farther from Missoula than it is.
The route begins at Adventure Cycling headquarters, a traditional stop for touring cyclists passing through Missoula, and quickly joins one of western Montana’s signature paved paths. Beyond Lolo, the Bitterroot Mountains rise along the valley’s western edge, giving a simple overnight big-country views.
The route covers 30.5 miles round trip and gains 741 feet. Nearly all of the riding follows the Bitterroot Trail. Expect wide valley views, farmland and river bottoms, and the forested peaks of the Bitterroot Range to the west.
Late May through September usually offers the best combination of warm days and manageable overnight temperatures. Spring rain, summer heat, wildfire smoke, and chilly nights are all possible, so check the forecast and air quality before leaving.
ACA Headquarters to Yellow Rock Campground Photos
Plan Your Ride
This overnight keeps the riding simple: reserve a campsite, download the official Ride with GPS route, and leave enough time to enjoy Lolo and the Bitterroot Valley along the way.
Trip Planning & Logistics
The route starts and ends at Adventure Cycling headquarters in Missoula. Yellow Rock Campground accepts reservations, so confirm current tent-camping availability, rates, and amenities directly with the campground. Check the Montana Department of Transportation for trail construction or detours on the Bitterroot Trail before departure.
A road, hybrid, touring, or gravel bike works well. Tires around 28 millimeters or wider are sufficient for the paved trail and short unpaved approach. Bring lights, a repair kit, rain protection, and layers for a cool night.
Yellow Rock Campground is the planned overnight and advertises showers, laundry, water, and on-site staff. Reserve ahead and verify that the selected site accommodates tent camping and bicycle arrival.
Missoula has full services, and Lolo provides a convenient final stop for meals and groceries. Carry dinner, breakfast, and camp snacks unless you plan to return to Lolo for food.
The Bitterroot Trail is shared with other users and crosses roads and driveways. Ride predictably and use lights near intersections. Check trail construction notices, weather, wildfire smoke, and campground policies before departure.
Routes change. Bridges wash out, businesses close, and construction pops up overnight. We strive to keep routes updated as those things happen. When we learn about a change, we reroute around sections that have become dangerous, update service information as businesses open, close, or move, and reroute around temporary road and bridge closures or construction. Digital routes are updated as soon as we’ve reviewed a reported issue.
You’re often the first to spot these changes out on the road. Help us keep this route accurate for the next rider by reporting anything you notice with our Route Feedback Form.
This Route Is Part of a Community Effort
Short Routes are cyclist-submitted and Adventure Cycling approved, with the mission of inspiring more adventures from your own backyard. All possible thanks to the dedicated support of our members and donors.
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Frequently Asked Questions
A collection of free, cyclist-submitted routes built for shorter trips. Each route is designed for a trip of one to five nights, ranging from a quick overnight ride to a longer multi-day adventure. It’s the most accessible of our three route networks: no purchase required, no advanced experience assumed, just a well-vetted route you can ride over a weekend or a week off.
We launched Short Routes in August 2022 with an initial set of 12 routes, created specifically because our epic, long-distance routes don’t work for everyone. Someone with a week of vacation, or someone new to bike touring, needs a different starting point. We developed that first collection in partnership with BIPOC, LGBTQ+, women, and intersex cyclists, with routes centered near major cities like Los Angeles, Seattle, Minneapolis, Austin, Atlanta, Washington, D.C., Philadelphia, and Boston, so people could find a route close to home rather than needing to travel somewhere remote first. Since then, the collection has grown through rider submissions and partnerships with other organizations like East Coast Greenway Alliance.
It’s the only one of our three networks built primarily by the community, for the community. Typically, the route builder is local to the area, providing special knowledge about transportation logistics, services, points of interest, and more. Anyone can submit a route, but every submission goes through a staff review: checked for traffic speeds, shoulder width, surface conditions, and whether services like food, water, and camping are realistically spaced for a loaded touring bike.
Riders who don’t have weeks to spend in the saddle, and riders who’ve never done a multi-day bike trip before. The collection was built with input from locals and includes routes near major cities, so that cyclists who live far from the endless miles of gravel roads or remote bikepacking routes have great routes mapped near them.
No. Many of our Short Routes are built to be beginner-friendly, though all are worth riding no matter your experience level. Because each one runs just one to five nights, it’s a much lower commitment than a cross-country tour, which makes it a good place to start if you’ve never done a multi-day ride.
Anyone can submit. You don’t need any official affiliation with Adventure Cycling. Head to our route submission form, and come prepared with three things: at least 10 photos from the route, a written description covering the highlights, navigation notes, services along the way, seasonal considerations, and a short bio about you as the route’s creator, and a Ride with GPS route that includes automatic cuesheetsand custom points of interest for things like lodging, food, bike shops, and any hazards.
It needs to take a beginner one to five nights, cover 50 to 200 total miles, and be located anywhere in the U.S. or Canada. Beyond that, we’re mainly checking for safety. A route can’t put a fully loaded touring cyclist through excessive hazards, so we look at things like traffic speed, shoulder width, road surface, and whether food, water, and camping are realistically spaced along the way.
It helps if you rode it within the past year or so. Those submissions move through review faster, since conditions on the ground are more likely to still match what you’re describing. Older routes can still be submitted, but they may take longer to review since we may need to double-check that services and conditions haven’t changed.
Review typically takes several weeks. We check every submission for safety and accuracy and reserve the right to edit before publishing. If your route is approved, we’ll follow up with you by email.