The Leave No Trace (LNT) framework was developed in North America over the 1980s and 1990s and is now the most widely referenced ethical framework for backcountry travel. In Canada, the principles are promoted by Leave No Trace Canada and referenced in Parks Canada land-use guidelines. The seven principles are not regulations — they're a set of decision-making heuristics that help travellers reduce cumulative impact on wilderness areas.

Canada's geographic diversity means that the practical interpretation of each principle varies considerably. What constitutes a minimum-impact campsite in the clay belt of northern Ontario looks very different from appropriate camping practice above treeline in the Rockies or on a coastal island in BC's Broken Group.

Principle 1: Plan ahead and prepare

Trip planning directly affects environmental impact. Knowing fire restrictions before departure prevents illegal campfires during high-risk periods. Understanding the terrain prevents off-trail damage from navigation errors. Checking wildlife corridor closures — which Parks Canada updates seasonally — keeps travellers out of denning or calving areas.

In practical terms, planning for a Canadian backcountry trip includes:

  • Checking current fire ban status through provincial government websites (each province maintains its own system)
  • Reviewing Parks Canada or provincial park permit requirements — many backcountry zones require advance booking, particularly in high-use areas like Banff's Rockwall trail or Algonquin's interior canoe routes
  • Understanding bear activity: Grizzly habitat in western Canada requires bear canister use or park-approved food hangs; black bear country in Ontario and Quebec requires similar practice
  • Carrying paper maps — not solely GPS — because remote Canadian terrain frequently lacks reliable satellite connectivity

Principle 2: Travel and camp on durable surfaces

Camping on durable surfaces - Leave No Trace principle illustration

The most durable surfaces are rock, gravel, sand, and dry grass. In high-traffic areas with established trails and designated campsites, staying on these surfaces concentrates impact and prevents the creation of new erosion channels or social trails.

In popular destinations like Prince Edward Island National Park or Fundy Trail Parkway, this means using established campsites exclusively. In remote terrain with low existing impact — such as the Thelon Wildlife Sanctuary in Nunavut or the more remote sections of the Trans Canada Trail — it can mean dispersing impact across multiple single-use sites rather than returning repeatedly to the same location.

Alpine and subalpine zones require particular care. Cryptobiotic soil crust, which forms on bare soil in arid and semi-arid environments, can take decades to recover from a single footstep. While less common in wetter Canadian environments, similar fragility exists in Arctic tundra zones, where permafrost makes soil disturbance particularly persistent.

Principle 3: Dispose of waste properly

Human waste management is the aspect of LNT that varies most across Canadian terrain types:

Catholes in forested terrain

A cathole dug 15–20 cm deep, at least 60 metres from water, trails, and camp, is the standard approach in most forested backcountry. Decomposition in temperate forest soils is relatively fast. Toilet paper should be packed out rather than buried — it decomposes far more slowly than organic waste and is frequently exposed by animals digging up catholes.

Pack-it-out in alpine and arctic terrain

Above treeline and in the Arctic, decomposition rates are so slow that catholes are inadequate. Parks Canada requires pack-out systems — waste alleviation gel bags (WAG bags) or similar — in several specific zones including parts of the Auyuittuq and Quttinirpaaq national parks. Check current requirements for your specific destination before departing.

Canoe-country considerations

On canoe routes where portage paths and campsites are used repeatedly by hundreds of parties per season — Algonquin, Quetico, and Bowron Lake being prominent examples — the cumulative waste impact is significant. Using a backcountry privy where provided, and a cathole at the required distance where not, is the standard. Scattering grey water (filtered of food particles) at least 60 metres from water applies throughout.

Principle 4: Leave what you find

Taking natural objects — rocks, feathers, antlers, plant cuttings — is prohibited in national parks and discouraged on all public land. In practical terms, this principle is most frequently violated through:

  • Picking wildflowers, particularly in alpine meadow zones where they're already under pressure from climate-driven range shifts
  • Removing rocks from riverbeds or shorelines for tent anchoring, cairn-building, or collection
  • Carving initials or marking trees — a practice that creates infection entry points and never fully heals
  • Disturbing archaeological or heritage sites, which are protected under federal and provincial heritage legislation across Canada

Principle 5: Minimize campfire impacts

Campfire management is one of the most variable aspects of LNT across Canada. In some regions — northern boreal forests with abundant deadfall and minimal fire risk — a small fire using existing ring infrastructure is low-impact. In dry Interior BC, prairie edges, or during a drought year in any province, open fires represent a serious wildfire ignition risk and are frequently subject to provincial bans.

The general guidance:

  • Use an established fire ring where one exists rather than creating new fire scars
  • Use only deadfall wood small enough to break by hand — cutting standing dead wood damages habitat for cavity-nesting birds
  • Burn wood to ash completely and extinguish with water, not soil
  • On high-travel routes, use a stove rather than a fire — the cooking efficiency is higher and the impact is zero

A canister stove running on isobutane-propane fuel remains the most practical low-impact cooking system for most Canadian backcountry contexts. Alcohol stoves are lightweight but temperature-sensitive in winter conditions.

Principle 6: Respect wildlife

Canada has strict regulations around wildlife interaction in national parks, which are enforced and carry significant fines. Beyond legal requirements, the practical implications include:

  • Maintaining 100-metre distance from bears, wolves, cougars, and moose (Parks Canada standard)
  • 30-metre distance from other wildlife
  • Never feeding wildlife, including small mammals — habituated squirrels, jays, and chipmunks alter their natural behaviour and can be killed as nuisances at frontcountry campgrounds
  • Travelling quietly and in groups reduces surprise encounters with large predators
  • Bear spray carried accessibly (not in a pack lid) is the recommended safety tool in grizzly habitat

Wildlife corridors designated by Parks Canada are periodically closed to protect breeding, calving, or denning. Current closures are listed on the Parks Canada website and should be checked within 48 hours of departure for the relevant area.

Principle 7: Be considerate of other visitors

The social dimension of LNT is often underweighted. Noise travels further in wilderness settings than in urban environments. Campsites within earshot of another party should maintain low voices after dark. Yield conventions on trails — uphill hikers have right of way over descending parties; horses yield to neither and should be given wide berth — reduce conflict on shared routes.

In popular areas during peak season, being considerate includes leaving campsites by checkout time so the next permitted party can establish camp before dark, and not occupying multiple designated sites when your group only requires one.

The cumulative impact of Canadian backcountry travel is not driven by any single visitor's behaviour. It's the sum of thousands of small decisions made by everyone who moves through a landscape over a season.

Further reading

The Leave No Trace Center for Outdoor Ethics publishes detailed skills and ethics booklets for different terrain types. Parks Canada's visitor guidelines for each national park include specific requirements that may go beyond the general LNT framework. Provincial park authorities (Ontario Parks, BC Parks, Alberta Parks) publish similar guidance for their respective systems.