Provincial Road 391 — The Pas to Flin Flon via Cranberry Portage Boreal Corridor
The north's main artery — boreal, bleak, and brilliant.
PR 391 is the lifeline of northern Manitoba, running from The Pas northeast through Cranberry Portage and on to Flin Flon — a hard, honest stretch of provincial road that crosses the transition from Manitoba Lowlands clay belt into exposed Precambrian Shield country. The terrain shifts dramatically past Cranberry Portage, where the road tightens, grades of crushed gravel turn rougher, and the surrounding boreal closes in. Moose are a genuine hazard at dawn and dusk — this isn’t a figure of speech. Side spurs off 391 toward Wekusko Lake and Clearwater Lake Provincial Park reward those who leave the main road and poke around.
In dry summer conditions a stock 2WD can cover PR 391, but the side roads and exploration spurs demand at minimum a high-clearance vehicle with all-terrain tires. Spring breakup (April–May) makes certain sections genuinely dangerous — frost heaves and soft shoulders can swallow a wheel without warning. Fuel is available in The Pas, Cranberry Portage, and Flin Flon; stretches between are long. No cell service north of Cranberry Portage on most carriers. This is a multi-day overland route best run in July or August with camp gear loaded and a recovery kit stowed.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Backcountry, Overland Route |
| Surface | Dirt, Gravel, Mixed |
| Features | Camping, Historic, Remote, Scenic |
| Length (miles) | 143 mi / 230.2 km |
| Duration | 2-3 days |
| Max elevation (ft) | 1260 ft |
| Best season | July-September |
| Minimum vehicle | High-clearance recommended |
| Nearest town | The Pas, Manitoba |
| Land manager | Manitoba Infrastructure — Provincial Roads |
| Permit required | No |
| Cell service | Spotty |
| Water crossings | No |
| Dispersed camping | Yes |
| Official sources | gov.mb.ca |
| Start coordinates | |
| End coordinates | |
| Copy both for Google Maps directionsClick to copy the directions URL · or open it directly in a new tab | |
| Find on Google | Search on Google → |
Location
Trail Conditions
No recent condition reports. Be the first to post one.
Log in to post a condition report.
Frequently asked questions
Do I need a lifted rig or will a stock high-clearance SUV handle PR 391?
A stock 4Runner, Tacoma, or similar high-clearance SUV is fine for most of the route. Mud season and wet conditions can chew up softer sections near muskeg, so all-terrain tires and a recovery kit are smart — a lift isn't required but ground clearance matters more than horsepower up here.
When does PR 391 become impassable or dangerous?
Shoulder seasons — April through June and late October into November — are the problem windows. Spring breakup turns muskeg-adjacent sections into soft, rutted mess, and early winter freeze is unpredictable. July through September is the reliable window; late August and September also dodge the worst of the bugs.
Do I need any permits to drive or camp along PR 391?
No permit is required to drive the route — it's a provincial road maintained by Manitoba Infrastructure. Dispersed camping along the corridor doesn't require a fee or reservation, but you're expected to follow Manitoba Crown land rules: pack out your trash, no fires during fire bans, and don't block road access.
What's the hardest section and what should I actually expect?
The stretch between Cranberry Portage and the northern approach to Flin Flon is where the Canadian Shield starts asserting itself — rougher surface, more washboard, and tighter sight lines through dense spruce. Nothing technical, but fatigue is real on 143 miles of gravel; the road demands attention, not skill.
How far apart are fuel stops, and is there any cell service if something goes wrong?
Fuel is available in The Pas at the start, Cranberry Portage roughly midway, and Flin Flon at the end — carry a fuel buffer anyway because hours of operation in small northern towns aren't guaranteed. Cell service is spotty to nonexistent through most of the boreal corridor; a satellite communicator like a SPOT or inReach is the realistic safety net out here.
Trail track
No GPX track for this trail yet. If you've driven it and have a track, contribute below.
Log in to contribute a GPX track.