Pictured Rocks National Lakeshore

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Pictured Rocks National Lakeshore
Map showing the location of Pictured Rocks National Lakeshore
Map showing the location of Pictured Rocks National Lakeshore
Location Alger County, Michigan, United States
Nearest city Munising, Michigan
Coordinates 46°33′44″N 86°18′45″W / 46.56222°N 86.31250°W / 46.56222; -86.31250
PICTURED ROCKS NATIONAL LAKESHORE Latitude and Longitude:

46°33′44″N 86°18′45″W / 46.56222°N 86.31250°W / 46.56222; -86.31250
Area 73,236 acres (296.38 km2)
Established October 15, 1966
Visitors 476,888 (in 2005)
Governing body National Park Service
Website Pictured Rocks National Lakeshore
Official name Pictured Rocks
Designated February 17, 1965
Bridalveil Falls emptying into Lake Superior
Miners' Castle after one turret collapsed in April 2006 [1]

Pictured Rocks National Lakeshore is a U.S. National Lakeshore on the shore of Lake Superior in the Upper Peninsula of Michigan, United States. It extends for 42 miles (67 km) along the shore and covers 73,236 acres (114 sq mi; 296 km2). The park offers spectacular scenery of the hilly shoreline between Munising, Michigan and Grand Marais, Michigan, with various rock formations such as natural archways, waterfalls, and sand dunes.

Pictured Rocks derives its name from the 15 miles (24 km) of colorful sandstone cliffs northeast of Munising. The cliffs reach up to 200 feet (60 m) above lake level. They have been naturally sculptured into shallow caves, arches, formations that resemble castle turrets, and human profiles, among others. Near Munising, visitors also can view Grand Island, most of which is included in the Grand Island National Recreation Area and is preserved separately.

The U.S. Congress designated Pictured Rocks the first National Lakeshore in the United States in 1966. It is governed by the National Park Service (NPS), had 22 year-round NPS employees as of May 2006, and received 476,888 visitors in 2005.

Geology

Au Sable Light, built in 1874 after numerous shipwrecks

The colors in the cliffs are created by the large amounts of minerals in the rock. The cliffs are composed of the Munising Formation of 500-million-year-old Cambrian Period sandstone. The Munising Formation sits atop Precambrian sandstone of the Jacobsville Formation. The mottled red Jacobsville Formation is the oldest rock in the park. On top of the Munising Formation is the younger Au Train Formation from the Ordovician Period. The Au Train Formation is a hard sandstone and acts as a cap over the other layers. Streaks on the face of the cliffs come from the groundwater leaching out of the rock. With it come iron (red), manganese (black-white), limonite (yellow-brown), copper (pink-green), and other minerals. As the water evaporates, these minerals leave streaks of color. [2]

History

Although the Pictured Rocks lie adjacent to sections of Lake Superior that are rich in fish, the sandstone cliffs are dangerous to canoes and other open boats skirting the coastline. Pierre Esprit Radisson, the fur trader, made this risky passage in 1658 and noted that his Native American companions ritually offered some tobacco to the local spirit of the cliffs.

During the Romantic Era of the 1800s, a series of American writers described their feelings upon sight of the Pictured Rocks. Geologist and US Indian Agent Henry Rowe Schoolcraft visited in 1820 and remarked upon "some of the most sublime and commanding views in nature". [3] Since 1850, developers planned a tourist resort, Grand Island City, adjacent to the Pictured Rocks near the current site of Munising.

After the lumbering era ended around 1910, many of the parcels of land making up the current Pictured Rocks National Lakeshore reverted to the state of Michigan for unpaid property taxes. Eager for federal help and recognition, the state cooperated with the federal government in the region's redevelopment. Congress enacted a law in 1966 to recognize and designate the shoreline between Munising and Grand Marais to the status of a national lakeshore. [4]

In October 1966, Congress passed a bill authorizing the establishment of the Pictured Rocks National Lakeshore in Michigan's Upper Peninsula, “in order to preserve for the benefit, inspiration, education, recreational use, and enjoyment of the public, a significant portion of the diminishing shoreline of the United States and its related geographic and scientific features.” Alger County became the home of America’s first National Lakeshore.

On April 13, 2006, one of the named features in the rock formation collapsed: the Inner Turret of Miner's Castle. The collapse was reported via cell phone by fisherman in the area, according to chief ranger Larry Hach. All the rockfalls involved the same rock unit, the Miners Castle Member of the Munising Formation. Rock units are named for places where they were first technically described. The Miners Castle Member consists of crumbly cross-bedded sandstone that is poorly cemented by secondary quartz, according to Research Ecologist Walter Loope of the U.S. Geological Survey. Rockfalls along the cliffs typically occur in the spring and fall due to freezing and thawing action in the rocks.

On March 30, 2009, the Omnibus Public Land Management Act was signed into law, protecting 11,740 acres (47.5 km2) of Pictured Rocks as the Beaver Basin Wilderness. [5]

Representation in other media

In 2010 singer Kid Rock filmed the video for his song "Born Free" at the Pictured Rocks National Lakeshore. [6] [7]

In early 2014 Courtney Kotewa's snapshot of kayakers passing under a rock arch at the Pictured Rocks National Lakeshore was chosen as the grand prize winner of 2013 Share the Experience photo contest, sponsored by the National Park Foundation. [8] [9]

Access and accessibility

Indian Head as seen during Pictured Rocks Cruises

Munising, on the western end of the lakeshore, is accessed by M-28 and M-94. Grand Marais, on the eastern end, is reached by M-77.

Paved highways penetrate part way into the lakeshore from both ends. Travelers seeking to drive from one end of the lakeshore to the other must use County Road H-58. Roads come close to the shoreline only near Miners Castle, 12 Mile Beach, and the Grand Sable Dunes.

The rest of the shoreline is seen from land only by hiking. A 42-mile (67-km) section of the North Country Trail spans the lakeshore. A permit is needed for backcountry camping, which is allowed along many miles of the National Lakeshore.

Many boat companies offer daily trips along the lakeshore from Memorial Day weekend through the fall season. Sea kayaking is another popular method of exploring the park. While this may be the best way to see the natural formations, it is a serious trip in dangerous and cold water. It should not be undertaken lightly or without proper equipment. Guides are available. For travel by sea kayak, the most efficient port of entry to Pictured Rocks is from the Miner's Beach area or the harbor at Munising. In addition, pontoons can be rented for a nominal fee from various local businesses.

Winter sports activities include cross-country skiing, snowshoeing, snowmobiling, and ice fishing.

The administrators of Pictured Rocks have worked to make much of its rugged environment accessible. [10] Such features include the following:

  • Interagency Visitor Center, Munising Falls Interpretive Center, and Miners Castle Information Station in Munising
  • Grand Sable Visitor Center in Grand Marais
  • Each drive-in campground has at least one handicapped-accessible campsite with an extended picnic table, boardwalk, pedestal fire grate, and nearby rest room
  • Log Slide overlook
  • All Miners Castle overlooks (however, the lower overlook trail includes stairs and is steep)
  • Munising Falls viewing platform trail, which is paved
  • Boardwalk at the Sand Point Marsh Trail, where a large-print guide is available.
  • Sand Point beach parking and sidewalks are paved; a fully accessible picnic site and the boardwalk enable visitors to walk part of the way to Lake Superior [10]

Points of interest

From west (Munising) to east (Grand Marais):

Rock arches and sea caves are popular with kayakers
Chapel Rock
Grand Sable Dunes

Waterfalls

Pictured Rocks is the site of many of Michigan's waterfalls. Most of the waterfalls resulted from water running over cliffs of the Munising Formation. This lime and sandstone formation exists between Tahquamenon Falls, some 75 miles (121 km) east, to Laughing Whitefish Falls, 30 miles (48 km) west of the Lakeshore. Pets are not allowed on most of the trails. [11]

  • Munising Falls—A 50-foot (15 m) waterfall over a sandstone cliff. Along the trail may be seen ferns, wildflowers, and an occasional mink. The trail is fully accessible to people with disabilities and dogs are allowed. [12]
  • Miners Falls—This self-guiding interpretive trail passes Miners Basin and ends at Miners Falls. There are 77 steps leading down to the viewing platform. The falls drops 50 feet (15 m) over the sandstone outcrop. [12]
  • Bridalveil Falls—Bridalveil is a seasonal waterfall. In the summer, it may not exist or be only a trickle. [12]
  • Mosquito Falls—This falls drops over an 8-foot (2.4 m) rock shelf on the Mosquito River. River otters and beavers live in the stream along the trail. [12]
  • Chapel Falls—Two viewing platforms along the way provide views of the scenic Chapel Basin. Chapel Falls cascades some 60 feet (18 m) down the sandstone cliffs on its way to Chapel Lake. [12]
  • Spray Falls—This waterfall is best seen from Lake Superior. The 1856 shipwreck of the Superior is at the base of the falls in 20 feet (6.1 m) of water. [12]
  • Sable Falls - Sable Falls tumbles 75 feet (23 m) over several cliffs of Munising and Jacobsville sandstone formations on its way to Lake Superior. [12]

Grand Sable Dunes

The Grand Sable Dunes, at the eastern end of the Lakeshore, are a perched dune formation. Sand washed ashore by wave action was then blown upslope by northerly prevailing winds until it came to rest atop a glacial moraine. The Grand Sable Dunes today form a sand slope that rises from Lake Superior at a 35° angle. The summits of the tallest dunes are as high as 275 feet (85 m) above lake level.

Climate and weather

Climate data for Grand Marais, Michigan
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °F 25.3 27.4 36.4 49.2 62.1 70.4 75.9 74.8 67 55.8 41.5 29.7 51.3
Average low °F 11.2 10.6 17.9 29.3 37.9 45.7 51.9 52.8 47.1 38 28.2 17 32.3
Average rainfall inches 2.3 1.4 1.6 1.6 2.5 2.9 2.5 3.2 3.6 3 2.6 2.5 29.8
Average snowfall inches 47.3 30.7 16 4.8 0.3 0.0 0.0 0.0 0.0 0.9 12.6 41.7 154.2
Average high °C −3.7 −2.6 2.4 9.6 16.7 21.3 24.4 23.8 19 13.2 5.3 −1.3 10.7
Average low °C −11.6 −11.9 −7.8 −1.5 3.3 7.6 11.1 11.6 8.4 3 −2.1 −8 0.2
Average rainfall mm 58 36 41 41 64 74 64 81 91 80 66 64 757
Average snowfall cm 120.1 78 41 12.2 0.8 0 0 0 0 2.3 32 105.9 391.7
Source: [13]

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