Skip to content
Trail Roamer

Colorado BDR Dual-Sport Planning: High Passes, Fuel Gaps, and Season Windows

The Colorado Backcountry Discovery Route is a high-elevation dual-sport and adventure route from Four Corners toward Wyoming. Plan season, fuel range and morning passes from RideBDR's own route guide, then verify MVUMs and Route Updates the week you leave.

Trail Roamer Editorial TeamSep 25, 2026 · Updated Nov 1, 2026 · 4 min read
Two riders on red dirt bikes kick up dust on a rocky two-track through aspen woods - Credit: Ducati

Colorado's Backcountry Discovery Route looks like a postcard and rides like a fuel-range quiz at altitude. RideBDR's route page describes a 745-mile line north from the Four Corners Monument to the Wyoming border, with several passes over 12,000 feet and most of the route above 8,000. Here's how to plan it before you load the truck. Treat this as a planning guide rather than a conditions report, and check the sources again the week you go.

What the route actually is

RideBDR says the COBDR runs on dirt roads with rocks, mud, sand and a few water crossings, and that the whole route is at least double-track, so it's open to four-wheel-drive vehicles too and you won't find singletrack on it. It's aimed at intermediate to advanced riders on street-legal dual-sport and adventure bikes, and RideBDR rates it Challenging. Most people average about 150 miles a day on a trip like this, and RideBDR suggests four to six days. The current map is the Fourth Edition, dated June 2025.

Six sections, six different rides

RideBDR splits the route into six sections: Four Corners to Telluride (131 miles), Telluride to Lake City (123), Lake City to Buena Vista (144), Buena Vista to Gypsum (143), Gypsum to Steamboat Springs (122) and Steamboat Springs to the Wyoming border (81.2). The famous part is the optional harder Alpine Loop in section 2 (69.5 miles), which takes in Ophir, Corkscrew, Hurricane, California and Cinnamon passes and the Animas Forks ghost town, and which RideBDR warns has rocky climbs and tight switchbacks. Further north the route crosses Cumberland Pass (12,015 feet), Cottonwood Pass (12,126 feet, paved), Weston Pass (11,921 feet) and Hagerman Pass (11,925 feet), and Leadville makes a full-service stop at 10,152 feet.

Season and altitude

RideBDR says July through September is the best window, sometimes into October if there haven't been early snowstorms. You can ride it in June, but snowpack in the high mountains may stop you from riding the whole route as mapped, and in some years the high country hasn't cleared until the last week of July. California Pass is the high point at nearly 13,000 feet. Summer thunderstorms with lightning, hail and heavy rain usually build over the mountains in the early afternoon, so RideBDR recommends getting over the high passes early in the day. It also flags altitude sickness and suggests riding high and sleeping low, with a night or two at moderate elevation if you're prone to it.

Fuel, water and the bike

The longest gap between gas stations is about 121 miles, from Gypsum to Steamboat Springs. Rancho Del Rio has gas, but RideBDR says it isn't guaranteed and it's low octane only, so don't count on it. That one gap sets your minimum range more than anything else on the route. Some natural water sources may not be running in a low-snow year, so carry plenty and fill up with potable water in town. RideBDR strongly recommends DOT-approved knobby tires and points out that every BDR includes intermediate to advanced terrain, which gets much harder on a big twin.

Pack like the weather and the mountains will both win at some point: layers and a rain shell, more water than you think you need, a real tool kit, tire repair gear and a pump. RideBDR says to bring a full set of paper maps even with GPS, and cell coverage is patchy enough that it suggests a satellite communicator. Watch for the clay roads north of Hagerman Pass, which RideBDR says become very slick and close to impassable when wet, and for deep sand, which gets very soft when it hasn't rained for a while.

MVUMs and route updates

National Forest miles still answer to the current Motor Vehicle Use Maps and district orders. Check RideBDR's Route Updates page, which showed the COBDR list as updated October 28, 2026 when we checked, and pull the MVUMs for the forests you'll cross from a hub such as Stay The Trail's MVUM page. If you haven't used one before, our guide to reading an MVUM walks through it. A friend's track log is a navigation aid, not a reopening notice, so go by the current MVUM and district order.

Treat the COBDR as a high-elevation dual-sport expedition with a real fuel gap and a short snow-free window. Plan from RideBDR's own pages, carry paper maps along with the free GPS tracks, check the route updates and MVUMs the week you ride, and be over the big passes before the afternoon storms. If you're planning more than one BDR, our Utah BDR primer covers the route next door.

Sources

FAQ

When is the best time to ride the COBDR?
RideBDR points to July through September, sometimes October if early snow has not closed high passes. Snowpack can block sections into July in some years, so check the week you go.
How long is the COBDR and how many days does it take?
About 745 miles from the Four Corners to the Wyoming border. RideBDR suggests four to six days at roughly 150 miles a day.
What is the longest fuel gap?
About 121 miles, Gypsum to Steamboat Springs, per RideBDR. Rancho Del Rio fuel is low octane and not guaranteed.
Is this singletrack?
No. RideBDR states the COBDR is at least double-track and built for adventure and dual-sport motorcycles.

Related

Cover of the 2015 Motor Vehicle Use Map for the George Washington and Jefferson National Forests

How-To & TechHow-To

How Dual-Sport Riders Read an MVUM (and Still Check Route Updates)

A practical dual-sport checklist for Motor Vehicle Use Maps: what the symbols mean, why “usable” dirt isn’t the same as legal, and how to cross-check RideBDR Route Updates plus local ranger notes before you put a knobby down. Not legal advice.

Dirt bike rider follows a dusty two-track past sandstone ledges and desert scrub in the San Rafael Swell

Trails & DestinationsDestination

Utah BDR Destination Primer: Sand, Mud, and Moab-Adjacent Miles

The Utah Backcountry Discovery Route runs about 900 miles from Arizona to Idaho. Here's how the seven sections break down, how it compares with Arizona and California South, and where the fuel, water and weather traps are.

Recalled GASGAS off-road motorcycle - product image from CPSC recall 26-710

NewsRecall

Stop Riding: Husqvarna & GASGAS Braktec Rear Caliper Recall (CPSC + NHTSA)

CPSC recall 26-710 covers ~21,040 U.S. 2021-2024 GASGAS and 2022-2024 Husqvarna off-road bikes whose Braktec rear caliper can crack or break. Related NHTSA 26V443 covers ~6,257 plated FE S / ES dual-sports. Stop riding if affected; free authorized-dealer caliper (+ bracket) repair - verify VIN on official checkers.

Dirt bike rider in a white shirt and pink shorts riding away up a dusty forest singletrack - National Forest trail-access context

Trail AccessPolicy

USFS Travel Management Rewrite: Comments Closed, Proposed Rule Expected Spring 2027

The comment window on the Forest Service's plan to rewrite the Travel Management Rule closed September 23, 2026. USDA expects a proposed rule and draft EIS in spring 2027, with another comment period, and a final rule in early 2028. Until then, your current MVUM still decides where you can ride.

Red Bull KTM Factory Racing celebrates Andrea Verona's Enduro2 and Josep Garcia's EnduroGP world titles at the 2026 GP of Wales finale in Rhayader

RacingResults

EnduroGP Wales: Garcia Doubles Up, Verona Takes E2, Holcombe Seals 10th Title

The 2026 FIM EnduroGP World Championship ended in Rhayader, Wales (Aug 7-9). Josep Garcia won both days to finish a season with a podium on all 14 race days, Andrea Verona won the Enduro2 title by four points, Steve Holcombe sealed the Enduro3 title, and two-time Women's champion Rachel Gutish signed off with a win.

Newsletter

Trail Roamer daily brief

One email with the trail news, race results, recalls and gear stories worth your time.

By subscribing you agree to receive email from Trail Roamer. Unsubscribe anytime. See our Privacy Policy.