Sir Alexander Mackenzie (c. 1764–1820) was a Scottish-born fur trader and explorer who became one of Canada's most renowned figures in North American exploration. Emigrating to North America as a child, he entered the fur trade in Montreal and rose through the ranks of the North West Company (NWC), a major rival to the Hudson's Bay Company. Driven by the commercial goal of finding a viable trade route to the Pacific Ocean for furs, Mackenzie led two groundbreaking expeditions that expanded European knowledge of the continent's interior. He was knighted in 1802 for his achievements and published his accounts in Voyages from Montreal, on the River St. Laurence, through the Continent of North America, to the Frozen and Pacific Oceans; in the Years 1789 and 1793 (1801), which influenced later explorers like Meriwether Lewis and William Clark.
The 1789 Mackenzie River Expedition to the Arctic Ocean
Mackenzie's first major expedition aimed to find a northwest passage or direct route to the Pacific for the fur trade, inspired by earlier reports from traders like Peter Pond about a great western river. Departing from Fort Chipewyan on Lake Athabasca (in present-day northern Alberta) on June 3, 1789, he led a small party including his cousin Alexander MacKay, French-Canadian voyageurs (paddlers and laborers), and Indigenous guides (primarily Chipewyan and possibly Slavey people). They traveled in birchbark canoes loaded with provisions, trade goods, and astronomical instruments for navigation.
The route followed the Slave River north to Great Slave Lake, then descended what Mackenzie initially called the "River of Disappointment" (now the Mackenzie River) for over 1,000 miles through dense boreal forests, rapids, and mosquito-infested wetlands. Encounters with Indigenous groups like the Dene provided guidance and food, but challenges included harsh weather, food shortages, and the midnight sun disrupting sleep. On July 14, 1789, they reached the river's delta at the Arctic Ocean (near present-day Inuvik, Northwest Territories), confirming it was not the Pacific but a frozen northern sea. The group observed whales, ice floes, and permafrost, noting the latitude around 69°N.
The return upstream was grueling, battling currents and fatigue, arriving back at Fort Chipewyan on September 12, 1789, after covering over 3,000 miles in just over three months. Though disappointed, Mackenzie's journey mapped vast new territories, established trade contacts, and proved the river's potential for northern expansion. He later traveled to England to study navigation, improving his skills for future ventures.
The 1792–1793 Peace River Expedition to the Pacific Ocean
Undeterred, Mackenzie launched a second expedition to reach the Pacific, departing Fort Chipewyan on October 10, 1792. His party included Alexander MacKay, six voyageurs, two Indigenous attendants, and a dog, with canoes carrying 3,000 pounds of supplies. They ascended the Peace River westward, wintering at a makeshift fort (Fort Fork) near present-day Peace River, Alberta, from November 1792 to May 1793, enduring extreme cold and hunting for survival. Resuming on May 9, 1793, they navigated the Peace River's canyons, crossed the Continental Divide via portages, and descended the Parsnip and Fraser Rivers (near present-day Prince George, British Columbia).
Local Sekani and Dakelh (Carrier) Indigenous peoples warned of dangers on the Fraser, so the group abandoned canoes and trekked overland through rugged mountains, following grease trails (ancient trade routes greased with oolichan oil) with packs up to 90 pounds each. Assisted by Nuxalk (Bella Coola) people, they reached the Pacific at Dean Channel (near Bella Coola, British Columbia) on July 20, 1793. Mackenzie inscribed on a rock: "Alexander Mackenzie, from Canada, by land, the twenty-second of July, one thousand seven hundred and ninety-three." This made him the first European to cross North America north of Mexico, covering about 2,300 miles.
The return journey retraced their steps, arriving at Fort Chipewyan on August 24, 1793. The expedition opened new fur trade territories and demonstrated the feasibility of transcontinental travel, though the route proved too arduous for regular commerce.
Legacy and Significance
Mackenzie's expeditions mapped over 4,000 miles of previously uncharted land, fostered alliances with Indigenous nations, and boosted the NWC's operations in the west. His book advocated for British control of Pacific ports to dominate the fur trade to China, influencing imperial strategies. The Mackenzie River and numerous sites bear his name, and his routes are preserved in trails like the Alexander Mackenzie Heritage Trail. His work inspired U.S. President Thomas Jefferson to commission the Lewis and Clark Expedition (1804–1806), accelerating American westward expansion. Mackenzie retired to Scotland in 1812, where he died at age 56.
Grok’s Narrative…
Mackenzie's Crossing: Endurance and Encounter
In the summer of 1793, the jagged spine of the Rocky Mountains loomed like the ramparts of an untamed fortress. Alexander Mackenzie, the fur trader turned explorer, led his small party of voyageurs and Indigenous guides through the unforgiving terrain. Their canoes had long been abandoned, replaced by weary feet trudging over snow-dusted passes and treacherous scree slopes. The air was thin, biting cold even in July, and the men's breaths came in ragged gasps. Starvation gnawed at their bellies—rations had dwindled to scraps of pemmican and the occasional hare snared in desperation. But worse than hunger were the shadows in the underbrush: grizzly bears, massive and unpredictable, their roars echoing through the valleys like thunderous warnings from the land itself.
Mackenzie's journal entries, scrawled by flickering campfire light, spoke of the peril. "The mountains rise interminably," he wrote, his quill trembling from exhaustion. "We press on, driven by the promise of the great western sea, yet each step courts death." One night, as the group huddled around a meager fire, a grizzly charged from the darkness. Its eyes gleamed with feral hunger, claws raking the earth. The men fired their muskets in a frantic volley, the beast retreating with a bellow that shook the pines. But the encounter left them shaken, wounds bandaged with torn cloth, and morale fraying like their threadbare coats.
Days blurred into a haze of hardship. Rivers turned to rapids that nearly claimed lives, and the party forded icy streams that numbed their limbs. Mackenzie, ever the stoic Scot, urged them forward with tales of glory and the fur trade's riches awaiting on the Pacific shores. His Indigenous companions—Chipewyan and Sekani hunters whose knowledge of the land was their true compass—shared stories of spirits in the peaks, reminding the group that survival demanded respect for the wild, not conquest.
At last, after weeks of torment, they crested the final divide. The world opened below them: a verdant descent toward the coast, where the Bella Coola River wound like a silver thread to the sea. Descending into the lush valleys, the air grew milder, scented with cedar and salt. But their trials weren't over yet—encounters with local peoples could turn hostile, as rivalries and misunderstandings simmered in this frontier.
It was in the Nuxalk village near the river's mouth that fortune shifted. The coastal people, masters of the bountiful Pacific, spotted the ragged band emerging from the forest. Instead of arrows or war cries, they offered open arms. Chiefs in cedar-bark cloaks approached, their faces painted with ochre symbols of welcome. "You have crossed the great divide," one elder said through gestures and halting trade pidgin, his voice warm as the summer sun. The Nuxalk, with their deep-rooted knowledge of the land and sea, saw not invaders but fellow travelers worn by the journey.
That evening, under a canopy of ancient firs, the feast began. Salmon, fresh from the river's run, roasted over open flames, their pink flesh flaky and rich with the ocean's essence. Halibut and eulachon were piled high, drizzled with oil from the fish's own bounty. Berries—huckleberries and salal—burst with sweetness, a stark contrast to the party's starvation fare. Mackenzie's men, gaunt and wide-eyed, ate until their stomachs protested, laughter mingling with the crackle of the fire. The Nuxalk shared songs of the sea spirits, tales of Raven the creator, weaving their wisdom into the night. In return, Mackenzie inscribed his name on a rock with vermilion: "Alexander Mackenzie from Canada by land 22d July 1793."
This moment epitomized the expedition's essence—a brutal test of human endurance fused with the invaluable Indigenous knowledge that made survival possible.
Mackenzie's guides had navigated the Rockies' mazes, and now the Nuxalk's hospitality bridged the final gap to the Pacific. It wasn't just a crossing of continents; it was a convergence of worlds, where grit met grace, and the unknown yielded to alliance. Mackenzie returned east a hero, his path paving the way for future explorers, but he carried with him the unspoken truth: without the land's original stewards, his adventure would have ended in those grizzly-haunted heights.
PART II — Comparing Alexander Mackenzie's 1793 Expedition to the Lewis and Clark Expedition
https://laprairie-voyageur-canoes.blogspot.com/2026/03/part-ii-comparing-alexander-mackenzies.html
Thank you to Grok xAI for the historical updates and wonderful narrative. -- Drifting Cowboy