International ParksFind Your Park
  • Home
  • Explore
  • Map
  • Trip Planner
  • Ratings
  • Review
  • Wiki
  • Photographers
  • Suggestions
  • About
Login
  1. Home
  2. Wiki
  3. Canada
  4. Allison Harbour Marine

Quick Actions

Park SummaryCanada WikiWiki HomeWrite Review

More Parks in Canada

AulavikAuyuittuqBanffBruce PeninsulaCape Breton Highlands

Platform Stats

...Total Parks
...Countries
Support Us

Allison Harbour Marine

Canada

Allison Harbour Marine

LocationCanada
RegionBritish Columbia
TypeMarine Provincial Park
Coordinates50.9167°, -127.4833°
Established2008
Area132

About Allison Harbour Marine

Allison Harbour Marine Provincial Park is a 132-hectare protected area located on the central coast of British Columbia, comprising 89 hectares of upland forest and 43 hectares of coastal foreshore along the southern shore of Allison Harbour. Established on May 29, 2008, the park was named in commemoration of a Mr. Allison, who managed logging operations for the Smith-Dollar Lumber Company in the region's early industrial era. The park protects three pocket beaches and two creeks within a protected inlet characterized by small coves and tidal flats at the head. Allison Harbour serves as the last all-weather anchorage for boaters traveling north around the notorious Cape Caution, making it a critically important addition to the network of boat havens along British Columbia's rugged coast. The harbour provides safe refuge from frequent southeasterly winds that can create hazardous conditions in exposed waters, making the park a vital transitional stop for recreational and commercial mariners navigating this challenging section of coastline. The park protects important habitat for resident grey whales during summer months and preserves second-growth forest recovering from historical logging activities.

Wildlife Ecosystems

Allison Harbour Marine Provincial Park protects rich marine and terrestrial ecosystems characteristic of British Columbia's central coast, with the harbour and surrounding waters providing critical summer habitat for resident grey whales that feed in the productive coastal waters. Marine mammals commonly observed include harbour seals that haul out on rocks and beaches, Steller sea lions that patrol the waters, and transient orca pods that hunt for seals and porpoises. Humpback whales are occasionally spotted in the area during migration periods or while feeding on herring and krill. Pacific white-sided dolphins and Dall's porpoises frequent the waters, particularly during summer months. The intertidal zones and tidal flats at the harbour's head support diverse invertebrate communities including crabs, sea stars, anemones, and various shellfish species. Seabird populations are abundant, with bald eagles nesting in large trees along the shoreline, great blue herons stalking the tidal flats, cormorants diving for fish, and gulls, terns, and oystercatchers utilizing the beaches and rocky shores. The upland second-growth forests provide habitat for black bears, black-tailed deer, river otters, mink, raccoons, and various small mammals. The two creeks running through the park may support salmon spawning, attracting bears and eagles during fall runs.

Flora Ecosystems

The park's upland areas feature second-growth coastal temperate rainforest recovering from historical logging operations by the Smith-Dollar Lumber Company and others who harvested the area's original old-growth timber. Current forest composition includes western red cedar, western hemlock, Sitka spruce, and Douglas fir that have regenerated over the decades since logging ceased. Red alder colonizes disturbed areas and stream corridors, fixing nitrogen and creating conditions for conifer succession. The dense understory typical of coastal rainforests includes salal, salmonberry, thimbleberry, devil's club, sword ferns, and various mosses that carpet the forest floor and drape from branches in the humid environment. The three pocket beaches feature beach grasses and salt-tolerant vegetation adapted to coastal conditions and periodic storm inundation. Riparian corridors along the two creeks support black cottonwood, willow, red-osier dogwood, and lush herbaceous plants that benefit from year-round moisture. The foreshore areas include bull kelp beds, eelgrass meadows that provide critical nursery habitat for juvenile fish, and rocky intertidal communities hosting diverse seaweeds including rockweed and sea lettuce. The coastal temperate rainforest ecosystem receives abundant precipitation, supporting the lush vegetation growth characteristic of British Columbia's wet coast.

Geology

Allison Harbour Marine Provincial Park is situated within the Coast Mountains geological province, characterized by granitic and metamorphic rocks formed through tectonic collisions, volcanic activity, and metamorphism over hundreds of millions of years. The underlying bedrock consists primarily of granitic intrusions from the Coast Plutonic Complex, which cooled deep underground and was later exposed through uplift and erosion. The harbour itself occupies a glacially-carved inlet, scoured by massive ice sheets and valley glaciers during the Pleistocene epoch when ice thousands of feet thick covered the region. As glaciers retreated approximately 10,000-12,000 years ago, rising sea levels flooded the lower portions of glacial valleys, creating the protected inlets, bays, and harbours characteristic of British Columbia's intricate coastline. The small coves and pocket beaches within the park formed where glacial erosion created depressions, later filled with marine sediments including sand and gravel deposited by waves and currents. The tidal flats at the harbour's head accumulated fine sediments transported by the two creeks and deposited in the calm, protected waters. Rocky shorelines expose the resistant granitic bedrock that characterizes much of the coast. The complex bathymetry created by glacial processes provides the deep water and protection that make Allison Harbour an excellent anchorage.

Climate And Weather

Allison Harbour Marine Provincial Park experiences a temperate oceanic climate dominated by Pacific maritime influences, with mild, extremely wet winters and cool, relatively dry summers characteristic of British Columbia's central coast. Winter temperatures rarely drop below freezing, typically ranging from 2-8°C, while summer temperatures are cool to moderate, ranging from 12-18°C, moderated by cold ocean currents and frequent fog. Annual precipitation is exceptional, typically exceeding 3,000-4,000 millimeters, with most falling between October and April during successive Pacific storm systems. Rainfall can be intense during major storms, and the area is exposed to powerful southeasterly winds that funnel through channels and straits, creating hazardous conditions for mariners and making Allison Harbour's protected anchorage critically important. Winter storms can bring gale to storm-force winds, heavy rain, and large swells from the open Pacific. Summer offers more settled weather but remains unpredictable, with fog common when warm air passes over cold ocean water, and sudden wind shifts possible as weather systems move through. The high humidity and abundant precipitation support the lush coastal rainforest vegetation while creating challenging conditions for outdoor activities. Spring and fall are transition periods with highly variable weather requiring constant vigilance by boaters.

Human History

Allison Harbour is located within the traditional territories of coastal First Nations peoples including the Kwakwaka'wakw who have utilized these waters and shorelines for thousands of years for fishing, shellfish harvesting, hunting marine mammals, and gathering plants. The protected harbour would have served as a seasonal camp location where families processed salmon during spawning runs, harvested shellfish from the rich tidal flats, and hunted seals and sea lions. The area's abundant resources supported sophisticated maritime cultures that developed advanced technologies including large ocean-going canoes, fishing weirs, and preservation techniques. European exploration arrived in the late 18th and early 19th centuries as British and Spanish expeditions charted the complex coastline. The harbour's name commemorates Mr. Allison, a manager for the Smith-Dollar Lumber Company, one of several logging operations that harvested the region's old-growth forests during the early to mid-20th century. The Smith-Dollar Lumber Company and other firms established logging camps, built railway systems or used water transport, and removed massive volumes of high-quality timber including cedar, spruce, and hemlock. Following the decline of industrial logging, the area transitioned to conservation values, though logging scars remain visible in the second-growth forests. The harbour became increasingly important for recreational boating as cruising the Inside Passage grew popular.

Park History

Allison Harbour Marine Provincial Park was formally established on May 29, 2008, as part of British Columbia's expanding marine park system designed to protect critical coastal ecosystems while providing safe anchorages and recreation opportunities for the boating community. The park's creation recognized the harbour's strategic importance as the last all-weather anchorage before Cape Caution, one of the most challenging navigation points on the Inside Passage where mariners must decide whether to round the exposed cape or wait for better conditions. The establishment process involved consultation with First Nations, boating organizations, environmental groups, and government agencies to identify conservation priorities and public access needs. The park protects important summer habitat for resident grey whales, preserves recovering second-growth forest ecosystems, and maintains the shoreline in a relatively natural state despite historical logging impacts. As a marine provincial park, Allison Harbour is part of a network of protected anchorages spaced along the coast to provide overnight stops for cruising vessels, emergency refuge during storms, and access to pristine coastal environments. The park supports BC Parks' mandate to balance conservation with public recreation, offering safe haven for mariners while protecting the ecological values that make British Columbia's coast globally significant. Management focuses on minimal development, maintaining natural conditions while providing basic amenities for boaters.

Major Trails And Attractions

Allison Harbour Marine Provincial Park's primary attractions center on marine recreation and the protected anchorage itself, which serves as a critical safe haven for vessels navigating the challenging central coast. The harbour's three pocket beaches provide landing opportunities for dinghies and kayaks, allowing boaters to go ashore and explore the coastal environment. Beachcombing along these beaches offers opportunities to discover shells, driftwood, and marine life in tide pools during low tides. The two creeks running through the park may provide short hiking opportunities along their courses through the second-growth forest, though developed trails are minimal or non-existent. Wildlife viewing is a major attraction, particularly watching resident grey whales feeding in the harbour during summer months, an extraordinary opportunity to observe these massive marine mammals at close range. Seal and sea lion watching, birdwatching for eagles, herons, and seabirds, and potentially spotting orca or humpback whales passing through the area draw nature enthusiasts. Fishing for salmon, halibut, rockfish, and lingcod in the waters around the park attracts anglers, though regulations must be carefully followed. Kayaking and small boat exploration of the coves and shoreline provide intimate encounters with the coastal ecosystem. The park's greatest value may be simply providing a safe, peaceful anchorage where boaters can rest, make repairs, wait for favorable weather, and appreciate the natural beauty of one of the world's most spectacular coastlines.

Visitor Facilities And Travel

Allison Harbour Marine Provincial Park is accessible only by boat, located on British Columbia's remote central coast approximately 150 nautical miles northwest of Vancouver and 100 nautical miles southeast of Bella Bella. The park has minimal facilities, consistent with BC Parks' approach to marine parks that emphasizes natural conditions and low-impact recreation. Boaters will find protected anchorage in the harbour's small coves, with adequate depths and shelter from prevailing southeasterly winds. The three pocket beaches provide landing spots for dinghies, kayaks, and small boats, allowing shore access at appropriate tides. No docks, moorage buoys, or developed campsites exist within the park. Visitors must be completely self-sufficient with adequate provisioning, fuel, water, navigation equipment, safety gear, and understanding of tides, currents, and weather patterns. The nearest communities with services are extremely distant, requiring careful voyage planning. Port Hardy on northern Vancouver Island and Bella Bella on Campbell Island are the closest settlements offering fuel, supplies, and emergency services, each requiring several hours of travel. Cell phone and radio communication may be limited or unreliable, though VHF radio contact with other vessels and occasional Coast Guard stations is possible. Weather forecasting and constant monitoring are essential given the rapid changes possible on this exposed coast. The park is suitable only for experienced mariners or those traveling with knowledgeable guides, particularly when navigating to and from the harbour across potentially rough waters near Cape Caution.

Conservation And Sustainability

Allison Harbour Marine Provincial Park's conservation priorities focus on protecting critical grey whale summer feeding habitat, preserving recovering second-growth forest ecosystems, and maintaining the natural shoreline and marine environments. Management of the resident grey whale population includes educating boaters about appropriate viewing distances and behaviors to minimize disturbance while these marine mammals feed in the harbour. The prohibition of harassment and requirements for slow speeds in designated areas help ensure whales can utilize the habitat without excessive human interference. Marine ecosystem protection includes monitoring water quality, preventing pollution from vessels, and enforcing regulations against sewage discharge in the harbour. The foreshore areas with eelgrass meadows receive particular attention as these habitats serve as critical nursery areas for juvenile salmon and other fish species. Invasive species prevention focuses on educating boaters about hull cleaning and avoiding introduction of non-native marine organisms that could devastate native ecosystems. Second-growth forest recovery is allowed to proceed through natural succession, with minimal active management beyond monitoring for disease or pest outbreaks. The two creeks and any salmon spawning habitat they provide are protected from disturbance. Climate change presents significant challenges including ocean acidification affecting shellfish and other calcifying organisms, warming waters potentially shifting species distributions, sea level rise threatening low-lying areas, and increased storm intensity. The park's role in the broader network of marine protected areas contributes to ecosystem resilience by maintaining connected habitats along the coast. Education efforts emphasize Leave No Trace boating practices, wildlife viewing ethics, and the importance of supporting conservation of British Columbia's spectacular but vulnerable coastal ecosystems.