• Stockton Island, looking south.

    Apostle Islands

    National Lakeshore Wisconsin

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  • Mainland Sea Caves - Winter Conditions

    Follow this link for information on winter conditions at the mainland sea caves: what to wear, what to bring, how to get there, and things you should know. More »

  • Current Closures

    There are current closures of areas within the Apostle Islands National Lakeshore. Click for more information and see if these closures will affect your trip. More »

Park Resources

General
Islands

21

Land acreage

42,308

(acres on mainland - 2,568)

Water acreage

27,232

Shoreline - miles

155

Annual boat hours for all park operations

2,301


Infrastructure
Miles of Trail

62.4

Miles of Road

0.67

Campsites

67

Administrative buildings

41

Visitor centers

3

Acres of lawn needing mowing

39

Public docks

18

Boats

22

Photovoltaic systems

22

Water distribution systems

20


Natural Resources
Annual precipitation

30 inches rain, 57 inches snow

Average daily temperatures

July: 55° - 81°; January: 0° - 22°

Endangered and threatened species

24 (3 Federal, 21 State)

Forest breeding bird species

150

Migratory bird species

237

Fish species

40

Mammal species

38

Flora species

803

Seacaves and beaches

innumerable

Sandscapes

16


Cultural Resources
Museum objects
(13,000 on site)

102,000

Historic structures

187

National Register of
Historic Places properties

10

Light station complexs

6

Light station towers

8

Light station buildings

40

Light station structures

36

Light station objects
(Fresnel lens)

1

Known archaelogical sites

52

Known logging camps
& associated sites

34

Historic quarries

4

Fisheries and fish camps

3

Historic farm sites

7

Submerged (e.g. shipwrecks)

12

Historic resorts and resort sites

3


Did You Know?

Long Island Beach

Long Island is presently an island in name only. It has been connected to the mainland as part of a peninsula for more than 30 years.