The Petawawa is Ontario's defining whitewater canoe trip. The name comes from the Algonquin First Nation word meaning "where one hears the sound of water," and the river earns it -- 49 km of rapids, swifts, and named drops through Algonquin Park's remote northeast corner. It's not a trip for beginners, but it's more accessible than its reputation suggests. Competent paddlers with some moving-water experience and the good sense to scout and portage what they can't run will find it one of the most rewarding routes in the province.
The Route
The standard Petawawa route runs from Cedar Lake (near the old town of Brent on the park's north edge) downstream to McManus Lake on the park's eastern boundary. Total distance is roughly 49 km with a mix of flat-water lake sections, Class I and II rapids, and several named features that demand respect.
The trip can be done in 4 days and 3 nights by a strong party, but 5-7 days is more typical and allows time to scout rapids, fish, and enjoy the campsites. There are plenty of sites throughout the river corridor, so adjusting your schedule is straightforward.
An alternative starting point is Travers Lake, which shortens the initial flat-water section and gets you to moving water faster. Some parties start from Lake Travers and paddle to McManus Lake -- still about 49 km but with a different mix of paddling.
Named Rapids and Features
Devil's Chute: The river's most famous rapid. A powerful chute with significant consequences for a swim. Most parties portage on river left. If you're running it, scout thoroughly and understand the line -- the chute funnels into a powerful hydraulic at the bottom.
Crooked Chute: A long, technical rapid that earns its name. The river bends through a rock garden with multiple channels. Scout from river right. The portage is well-worn because most people use it.
Rollway: A Class II rapid with a clear line down the centre in moderate water levels. More straightforward than the chutes but still requires reading the water. High water makes it significantly more powerful.
The Natch: A natural rock cut that compresses the river into a narrow channel. Dramatic to look at, and the portage around it is short. Running it depends entirely on water level -- at certain levels it's a straightforward tongue, at others it's a keeper.
White Horse Rapids: Named for the white water visible from a distance. A series of wave trains and standing waves that are fun to run in moderate water. Scout first -- the character changes significantly with water level.
Devil's Cellar: Another substantial rapid that most intermediate parties portage. The portage trail is on river right and well-maintained.
Skill Requirements
Here's the honest assessment: you don't need to be an expert whitewater paddler to do the Petawawa, because every significant rapid has a portage option. What you need is competent flat-water and basic moving-water skills, the ability to read water well enough to decide what to run and what to portage, and the physical fitness to carry a loaded canoe over portage trails that are sometimes steep and rocky.
If you've never been in moving water, this is not the trip to learn on. Take a weekend course at Madawaska Kanu Centre first. If you can comfortably run Class I-II and are willing to portage everything bigger, the Petawawa is within reach.
Logistics
Access: The upstream put-in at Cedar Lake is reached through the town of Brent on the park's northern boundary. Brent is a long drive from anywhere -- about 2 hours from Pembroke on mostly gravel roads. The takeout at McManus Lake requires pre-arranged vehicle shuttle. Most outfitters in the area offer shuttle service; book well ahead for summer trips.
Permits: Standard Algonquin backcountry permit required, booked through Ontario Parks. The Petawawa route is less competitive for reservations than Highway 60 corridor routes, but summer weekends still fill. Mid-week starts are more flexible.
Canoe rental: Algonquin Portage Store in Brent rents canoes suitable for the river. If you're bringing your own boat, a Royalex or T-Formex canoe (like the Nova Craft Prospector) handles rock strikes better than fibreglass or Kevlar. You will hit rocks.
Water Levels
Water level changes the character of every rapid on the river. High water (typically late May through mid-June) makes rapids bigger, more powerful, and more dangerous. Portages become more important, not less. Low water (late summer) exposes rocks that create technical challenges but reduce the power of hydraulics. Medium water in July is generally considered the best balance of fun and safety for most paddlers.
Check gauge readings before your trip. The Water Survey of Canada maintains a gauge on the Petawawa River. Outfitters in Brent can give you current conditions.
Camping
Campsites along the Petawawa are typically on elevated ground above the river, with good tent platforms and fire rings. Some sites have sandy beaches; others are on Canadian Shield rock. The sites near major rapids tend to be the nicest -- and the most popular. Arrive before mid-afternoon to get your pick, especially at named rapid sites.
Standard Algonquin rules apply: can and bottle ban, bear-aware food storage, fires in designated rings only. Bring a bear barrel or canister and know how to hang food properly.
When to Go
Late May - June: Highest water, biggest rapids, worst bugs. For experienced whitewater paddlers who want the river at its most powerful. Expect blackflies and mosquitoes at camp.
July: The sweet spot for most parties. Moderate water levels, warm enough to swim after a rapid, manageable bugs. Best combination of fun paddling and comfortable camping.
August - September: Lower water exposes more rocks. Some rapids become technical rock gardens rather than big water features. Easier portaging due to lower water at put-ins and takeouts. September offers cool air and fall colour along the river corridor.
Bottom Line
The Petawawa is the canoe trip that experienced Ontario paddlers talk about long after it's done. The combination of wilderness camping, whitewater challenge, and remote Algonquin landscape makes it one of the best multi-day river trips in the province. It's not a beginner route, but it's more forgiving than its reputation -- you can portage everything, the campsites are excellent, and the river itself tells you what it's doing if you take the time to look.
Build your skills first with our paddling fundamentals guide and check our gear checklist for river-specific equipment recommendations.