Apostle Islands National Lakeshore

State: Wisconsin. Type: National Park Service unit on Lake Superior, spanning Ashland and Bayfield counties. Established by Public Law 91-424, signed by President Richard Nixon on September 26, 1970. Comprises 21 islands plus a 12-mile mainland strip (22 units total), covering 69,540 acres (42,308 acres land, 27,232 acres water). Holds more historic lighthouses (8, across 6 islands) than any other NPS unit. 253,703 visitors in 2024.

Apostle Islands National Lakeshore protects 21 islands and a stretch of mainland shoreline on Lake Superior at the northern tip of Wisconsin's Bayfield Peninsula. Congress and President Nixon established the lakeshore on September 26, 1970, setting aside 69,540 acres of land and water administered by the National Park Service from headquarters in the town of Bayfield. The park is best known for two features shaped by Precambrian sandstone eroding under the pressure of Lake Superior's waves: dramatic sea caves carved into the mainland and island cliffs, and a collection of eight historic lighthouses spread across six islands, more than any other National Park Service site in the country. Old-growth forest remnants survive on several of the more remote islands, offering a rare glimpse of pre-settlement Northwoods vegetation. Visitors reach the park by tour boat, kayak, or private watercraft, since none of the islands are connected to the mainland by road, and camping is permitted on 18 of the 21 islands with an advance permit. The combination of open-water paddling, historic lighthouses, and sea caves that can sometimes be explored on foot when Lake Superior freezes makes the Apostle Islands a distinctive, water-centered national park experience.

The lakeshore sits at the northern tip of the Bayfield Peninsula in northern Wisconsin, spanning Ashland and Bayfield counties on Lake Superior. It comprises 21 islands plus a roughly 12-mile strip of mainland shoreline, with National Park Service headquarters at 415 Washington Avenue in the town of Bayfield.

The area has a climate strongly moderated by Lake Superior, with cool summers, cold winters, and often significant lake-effect weather including fog and rapid conditions changes on the open water. Visitors should expect cold water temperatures even in summer, and winter brings the possibility of solid ice cover that occasionally allows walking access to the mainland sea caves.

Summer is the primary season for boat tours, kayaking and camping, when visitor centers are open and most concessioner boat services operate; the National Park Service notes visitor centers are open only during the summer season. Some winters, when Lake Superior freezes solidly enough, allow a rare opportunity to walk out to the mainland sea caves, though this depends entirely on ice conditions each year and is not guaranteed.

The Apostle Islands were shaped over geologic time as Precambrian sandstone eroded into sea caves, sandspits, cuspate forelands, tombolos, barrier spits and beaches under the action of Lake Superior's waves and historic glaciation. The islands' shipping-era importance led to the construction of eight historic lighthouses across six islands to guide vessels through the archipelago's waters, a lighthouse collection larger than that of any other unit in the National Park System. Recognizing both the natural and maritime historic value of the islands, Congress passed and President Richard Nixon signed Public Law 91-424 on September 26, 1970, establishing the Apostle Islands National Lakeshore with an initial 20 islands and a mainland strip; the lakeshore today comprises 21 islands in total. The National Park Service has since managed the area's old-growth forest remnants, historic lighthouses and sea caves, balancing preservation with recreational access via tour boats, kayaking and permitted camping.

Popular activities include narrated tour boat trips around the islands and past the mainland and island sea caves, sea kayaking through and around the sandstone caves, and lighthouse-focused cruises visiting several of the archipelago's eight historic lights. Camping is available on 18 of the 21 islands for those seeking a multi-day island experience, and hiking trails on several islands and the mainland unit lead through old-growth forest remnants. In the rare winters when Lake Superior ice is thick enough, walking out to the mainland sea caves becomes possible, drawing large numbers of visitors when conditions allow.

The mainland and island sea caves, carved from Precambrian sandstone by Lake Superior's waves, are the park's signature natural feature, most commonly seen by tour boat or kayak. The park's eight historic lighthouses across six islands represent the largest lighthouse collection in the National Park System, with several open for ranger-led tours in summer. Old-growth forest remnants on some of the more remote islands preserve rare pre-settlement Northwoods habitat.

The lakeshore is reached via the town of Bayfield, Wisconsin, where the National Park Service maintains its headquarters and where concessioner tour boats and kayak outfitters depart for the islands. There is no bridge or road connection to the islands themselves; visitors arrive by tour boat, personal or rented kayak, or private boat. The nearest larger regional airports are in Duluth, Minnesota, or further afield, with most visitors driving to Bayfield and arranging water transportation from there.

The lakeshore's land and water areas are open year-round, 24 hours a day, per the National Park Service. Visitor centers, however, keep seasonal hours and are open only during the summer season, with hours varying by location; administrative offices operate by appointment Monday-Friday, 8 a.m.-4:30 p.m., excluding federal holidays. Confirm current visitor center hours on nps.gov/apis before visiting.

The Apostle Islands National Lakeshore itself has no entrance fee, per the National Park Service. Separate fees apply for camping permits, boat docking, ranger-led interpretive programs, parking at select locations, and special recreation permits; concessioner tour boats and kayak outfitters also set their own independent pricing. Confirm current camping and program fees on nps.gov/apis before visiting.

A single-day boat tour can cover the sea caves and a lighthouse or two, but multi-day visits, combining camping on one or more islands with kayaking or additional boat tours, allow a much fuller experience of the archipelago.

The town of Bayfield offers a range of lodging including inns, motels and bed-and-breakfasts serving as the main gateway base for lakeshore visitors, while the park itself offers permitted camping on 18 of its 21 islands for those wanting to stay within the lakeshore. Nearby Ashland provides additional lodging options for visitors approaching from the south.

Bayfield, the park's main gateway town, has a small but established selection of restaurants and cafes serving visitors before and after boat tours, reflecting its role as a longtime lake port and tourism hub. Nearby Ashland offers a broader range of dining options for those staying further from the immediate lakeshore.

The town of Bayfield itself, a historic Lake Superior port, is worth time beyond simply the departure point for boat tours. Madeline Island, the only inhabited island of the archipelago and reached by a separate ferry, is a popular nearby destination, though it is administered separately from the National Lakeshore's other islands. The city of Ashland, along the south shore of Lake Superior, offers additional services for visitors approaching the region.

There is no airport directly serving Bayfield; visitors typically drive in via regional highways, with Duluth, Minnesota's airport being among the nearer commercial options for those flying part of the way. Once in Bayfield, tour boats and kayak outfitters provide the only means of reaching the islands themselves, since there is no road or bridge access.

Lake Superior's water stays cold even in summer and conditions can change rapidly, so anyone kayaking or boating independently should check forecasts and be prepared for sudden weather shifts. Sea caves can be dangerous to approach too closely by small craft when waves are active, and any winter ice-walking to the mainland caves should only be attempted when conditions are officially confirmed safe. For any emergency, dial 911 or contact the park directly at 715-779-3398.

Warm, layered clothing is important even in summer, since Lake Superior keeps the surrounding air noticeably cooler than inland Wisconsin, and waterproof gear is useful for boat tours and kayaking. Sturdy footwear helps for hiking island and mainland trails, and campers heading to the islands need to bring all necessary gear and food, since the islands have minimal facilities beyond designated campsites.

Reserve boat tours, kayak trips and camping permits in advance, especially for peak summer weekends, since the park's main visitor season is compressed into the warmer months. Check nps.gov/apis for current visitor center hours and any ice-cave conditions if visiting in winter, since the sea-cave walking window depends entirely on ice thickness each year. Basing a visit out of Bayfield gives the most direct access to tour boat departures and kayak outfitters.

Dial 911 for any emergency. The National Park Service's Apostle Islands National Lakeshore office can be reached at 715-779-3398, with headquarters at 415 Washington Avenue, Bayfield, WI 54814.

Apostle Islands National Lakeshore (National Park Service) - https://www.nps.gov/apis

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.

This section is being updated and will be available shortly.