Why Is It Called Mount Desert Island?

Mount Desert Island, the home of Acadia National Park, is one of the most striking landscapes on the Atlantic coast. With its rugged mountains, wind-carved headlands, deep forests, and quiet coastal villages, the island has an atmosphere that feels both ancient and alive. But for many visitors, one question eventually rises to the surface: why is it called Mount Desert Island—and why does the name sound nothing like what you might expect from such a lush, forested place?

The answer reaches back several centuries and is tied to exploration, language, and the way this island appeared to the very first Europeans who laid eyes on it.

Quick Reference: Why Is It Called Mount Desert Island?

Topic	Quick Answer
Origin of the Name	Named by French explorer Samuel de Champlain in 1604.
Original French Name	“Isle des Monts Déserts.”
Meaning of the Name	Translates to “Island of Barren Mountains” or “Island of Deserted Mountains.”
Why He Chose the Name	Champlain saw the island’s granite mountains appearing bare and treeless at the summits.
Landscape Feature Inspiring the Name	Exposed pink granite peaks with little vegetation, especially visible from the sea.
Common Misunderstanding	“Desert” does not refer to sand; it means “deserted,” “barren,” or “without forests.”
English Adaptation	“Mount Desert Island” is the anglicized version of Champlain’s naming. Americans commonly pronounce “Desert” like “dessert” (dez-ert).
Modern Significance of the Name	Reflects the island’s dramatic landscape: rocky coasts, granite summits, and open, windswept mountaintops.
Who Named It	Samuel de Champlain, founder of Quebec and explorer of the New England coastline.
Year Named	1604 during his exploration of the Gulf of Maine.

The name “Mount Desert Island” comes from French explorer Samuel de Champlain, who landed in the area in 1604 while making his way along the coast of present-day Maine. As his ship approached the island, Champlain noticed something unusual. Instead of being covered entirely in dense pine forests, the island’s tallest mountains appeared bare, exposed, and windswept. Their tops were rocky and stripped of trees, shaped by centuries of glacial activity and harsh coastal weather. Compared to the dark evergreen woodlands surrounding them, these pale granite summits looked stark and desolate.

Champlain recorded this observation in his journals and called the place “Isles des Monts Déserts,” which translates to “island of barren mountains.” Over time, the name evolved through English interpretation and pronunciation into what we now know as Mount Desert Island. Importantly, Champlain meant “desert” not in the sense of sand and heat, but in the older French meaning of the word—deserted, barren, or uninhabited. He was describing the appearance of those naked granite peaks, not claiming the island was dry or devoid of life.

Although the island today is thick with spruce, fir, maple, and birch forests, those upper elevations remain much as Champlain saw them. The thin soils, fierce winds, and constant exposure still prevent many peaks from growing full canopies. Hike up Cadillac Mountain, Champlain Mountain, or Dorr Mountain and you’ll see the same bare granite domes that caught Champlain’s eye more than 400 years ago. In that way, the island continues to carry the history of its name in its very geology.

But the story of the island’s name doesn’t end with Champlain. Long before the French arrived, the Wabanaki—Maine’s Indigenous people—lived, fished, hunted, and traveled across this land. They called the island Pemetic, meaning “the sloping land,” a name that beautifully mirrors the shape of the island’s mountains rising from sea level. Although “Mount Desert Island” became the European name used on maps and eventually in American literature, the Indigenous name remains an important part of the island’s cultural heritage, and many visitors still encounter it in interpretive signs and historical materials throughout Acadia.

As Europeans settled the region, the French name continued to evolve. Locals have long debated how to pronounce it. Some say “Mount Dessert,” with the accent on the second syllable, while others say “Mount Desert,” as in arid land. Traditionally, the French-influenced pronunciation—“Mount Des-ERT”—has been considered more historically accurate. But over time, the anglicized pronunciation—“Mount DEH-zert”—has become widely accepted and is now the most commonly used version. Both are heard all over the island, and most locals simply shrug and accept that the name has multiple personalities.

The uniqueness of the name has become part of the island’s charm. It reflects not just the look of the land but also the many layers of history and culture that have shaped it. From the Wabanaki to Champlain, from early settlers to the wealthy landscape architects and conservationists of the 19th century who pushed to create Acadia National Park, every era has contributed something to the story. The name connects visitors to that history, reminding them that the land they explore today has been experienced, interpreted, and loved by many different people over centuries.

Despite the passage of time, the essence of Champlain’s original observation remains visible. The bare mountain ridges, the white granite cliffs, and the windswept overlook points still stand in contrast to the thick forests below. When you stand on the summit of Cadillac Mountain at sunrise, watching the granite blush pink before the rest of the country wakes, you can almost imagine how the landscape looked to Champlain in 1604.

To understand why the island is called Mount Desert Island is to understand its character: rugged yet welcoming, weathered yet full of life, ancient yet constantly renewing itself. The name captures the spirit of a place shaped by glaciers, storms, winds, and centuries of human presence. It speaks to the island’s dramatic contrasts, its natural resilience, and the way its beauty has inspired explorers, artists, writers, locals, and millions of visitors every year.

In the end, Mount Desert Island carries a name that tells a story—a story of discovery, of language, and of the landscape itself. It is a reminder that even the simplest names can hold entire histories, waiting to be uncovered by those curious enough to ask.