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Grand Traverse Bay
East Arm of Grand Traverse Bay
East Arm of Grand Traverse Bay looking west from Elk Rapids toward Old Mission Peninsula
Grand Traverse is located in Michigan
Grand Traverse
Grand Traverse
Location in Michigan
Location Grand Traverse County, Michigan Antrim County, Michigan Leelanau County, Michigan
Coordinates 45°04′N 85°29′W / 45.06°N 85.48°W / 45.06; -85.48
Type Bay
Part of St. Lawrence Watershed
Primary inflows Boardman River, Elk River
Primary outflows Lake Michigan
Surface elevation 581 feet (177 m)
Islands Power Island

Grand Traverse Bay is a large, deep bay that is part of Lake Michigan. It's located in the northwestern part of the Lower Peninsula of Michigan. The bay is about 32 miles (51 km) long and 10 miles (16 km) wide. In some places, it can be as deep as 620 feet (189 m)!

The bay is split into two main sections, called the East Arm and the West Arm. These two arms are separated by a piece of land called the Old Mission Peninsula. The entire bay is also part of a special protected area called the Grand Traverse Bay Bottomland Preserve. It's important not to confuse this bay with another Grand Traverse Bay, which is located in Lake Superior.

Exploring Grand Traverse Bay

Traverse City is a city found at the very southern end of the bay. Here, the Boardman River flows into the western arm of the bay. The area around the bay is famous for its cherry orchards. Because of this, Traverse City is known as the Cherry Capital of the World! Many companies in the region make tasty cherry products using the tart cherries grown here.

The most interesting thing about the bay's shape is how the Old Mission Peninsula divides it into two arms. Grand Traverse Bay also has several smaller bays within it. These include Northport Bay, Suttons Bay, Omena Bay, Bowers Harbor, and Old Mission Bay.

Northport Bay is in the northwest corner of Grand Traverse Bay. It's about 10 miles (16 km) long and 4 miles (6.4 km) wide. This bay is mostly open to the east, with the Leelanau Peninsula on its western side. There are some shallow areas in Northport Bay that are marked with buoys to help boats.

Grand Traverse Light
The Grand Traverse Lighthouse at the tip of the Leelanau Peninsula, which anchors the bay to the west.

Towns and Villages

Many towns and villages are located around the shores of Grand Traverse Bay. Some of these communities include:

Inferior Mirage Grand Traverse Bay
An inferior mirage over the bay, making distant objects look like they are floating.

Islands in the Bay

Grand Traverse Bay has a few islands. The largest one is Power Island.

Power Island
Power Island, the largest island in the bay.

How the Bay Got Its Name

Grand Traverse Bay got its name from French explorers and traders called voyageurs in the 1700s. They used to make la grande traverse, which means "the long crossing," across the mouth of the bay.

At first, the area was controlled by the French, then by Great Britain. After 1776, it became part of the United States. In 1839, the first lasting settlement was started on the Old Mission Peninsula by Rev. Peter Doughtery. This settlement was first called "Grand Traverse," but its name was later changed to Old Mission.

Grand Traverse Bay from Atwood 2
Grand Traverse Bay from near Norwood.
1873PeninsulaTownship
An 1873 map of Grand Traverse Bay.

Fun Facts and Discoveries

Besides cherries, the countryside around Grand Traverse Bay also grows grapes. This area is an important center for the Michigan wine industry. With its sparkling blue water and golden sand beaches, the Grand Traverse Bay region is a very popular place for vacations.

In 2007, a scientist named Mark Holley, who studies old things underwater, said that they might have found a very old rock with a carving on it in Grand Traverse Bay. The rock is about 3.5 to 4 feet (1.1 to 1.2 m) high and 5 feet (1.5 m) long. The markings on the granite rock look like a mastodon (an ancient elephant-like animal) with a spear in its side. More proof is needed to confirm if these markings are truly an ancient petroglyph, which is a carving made in rock.

Shipwrecks in the Bay

Over the years, several ships have sunk in Grand Traverse Bay. Some of these shipwrecks include:

Grand Traverse Bay from Atwood
Grand Traverse Bay from Atwood, looking southwest toward the Old Mission Peninsula.
  • A.J. Rogers
  • Metropolis
  • Shale Scow
  • Yuba Wreck
  • Tramp
  • Elmwood
  • Nyord
  • Barge
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