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| Point Au Sable Light | |
|---|---|
| Name | Point Au Sable Light |
| Location | Au Sable Point, Alger County, Michigan, United States |
| Yearlit | 1874 |
| Foundation | Granite pier |
| Construction | Brick |
| Shape | Tapered cylindrical tower with attached keeper's house |
| Height | 74 ft |
| Lens | Fourth order Fresnel (original) |
| Managingagent | Huron Islands National Wildlife Refuge |
Point Au Sable Light Point Au Sable Light is a historic lighthouse on Au Sable Point along the Lake Superior shoreline in Alger County, Michigan. The station played a role in 19th- and 20th-century Great Lakes navigation, aiding vessels associated with the Soo Locks, Great Lakes shipping, Iron Range ore transport, and regional commerce tied to Marquette, Michigan, Duluth, Minnesota, and Sault Ste. Marie. The light is part of a network including Whitefish Point Light, Grand Island East Channel Light, and Pictured Rocks National Lakeshore.
Constructed during a period of expanding maritime infrastructure, the lighthouse was authorized following incidents involving schooners and steamers near the hazardous reef at Au Sable Point that affected routes between Milwaukee, Chicago, and Buffalo, New York. Funding and oversight involved agencies and figures active in post-Civil War navigation projects such as the United States Lighthouse Board, with engineering standards influenced by works at Burt Point Light and recommendations from engineers who consulted on Shoalwater Bay projects. The keeper station served during eras connected to the Copper Rush (Upper Peninsula) and the rise of Andrew Carnegie-era steel production demanding iron ore shipments. The light witnessed changes in shipping after the opening of the Sault Ste. Marie Canal and later the expansion of traffic into Duluth–Superior Harbor.
The structure follows canonical 19th-century masonry lighthouse forms contemporaneous with towers at Marblehead Light (Ohio), Split Rock Lighthouse, and Bass Harbor Head Light. The tapered brick tower sits atop a substantial granite pier resembling masonry techniques used at Makapu'u Point Light and uses locally sourced materials common to construction in the Upper Peninsula of Michigan. The keeper's quarters are attached, similar in arrangement to stations at Fort Gratiot Light and Old Mackinac Point Light, featuring cast-iron spiral stairs comparable to those found in lighthouses designed under the supervision of the Lighthouse Board engineers who also worked on Cape Hatteras Lighthouse. Architecturally, the site reflects Victorian-era lighthouse standards influenced by designers who contributed to U.S. Army Corps of Engineers coastal projects.
Originally equipped with a fourth-order Fresnel lens produced by firms tied to the European lens trade that served installations like Faro del Caballo and Point Reyes Light, the optic provided concentrated beams to aid navigation between major ports including Cleveland, Ohio, Toledo, Ohio, and Erie, Pennsylvania. The illumination technology paralleled upgrades at Nauset Light and later modernization efforts similar to those at Cape Cod Light. Electrification and automation mirrored patterns established at Boston Light and conversion practices advocated by the United States Coast Guard, which undertook many retrofit projects across stations like Huron Island Light and Kewaunee Pierhead Light.
Keepers assigned to the station were part of a community of lighthouse keepers whose biographies often intersected with families and figures known in Great Lakes history, comparable to personnel rosters at Eagle Harbor Light, Mackinac Island, and Ontonagon. Records of keepers show ties to regional maritime occupations such as pilots who worked near Whitefish Bay and crews involved with vessels registered in Marquette, Escanaba, and Glencoe, Ontario. Administratively, keepers reported to superintendents like those who oversaw districts including District 9 operations and coordinated with agencies active in lighthouse management such as the Lighthouse Service prior to consolidation under the United States Coast Guard.
Preservation efforts have involved entities and stakeholders similar to those that protected Pictured Rocks National Lakeshore, with advocacy from local historical societies, preservationists influenced by the National Historic Preservation Act framework, and volunteers often collaborating with organizations like the Great Lakes Shipwreck Historical Society and state agencies such as the Michigan Historical Center. Restoration campaigns have paralleled projects at Whitefish Point and Split Rock, addressing masonry, lantern room conservation, and replacement of period-appropriate fixtures inspired by practices used at Old Presque Isle Light and Grand Haven Lighthouse.
Public access is managed in coordination with regional sites and tourism partners that promote destinations including Tahquamenon Falls State Park, Munising, and Grand Marais, Michigan. Visiting details typically reference transportation from M-107 and nearby access points used by travelers to attractions like Pictured Rocks National Lakeshore and services in Sault Ste. Marie. Interpretive programming and trail connections echo cooperative models seen at Whitefish Point Bird Observatory and visitor services offered in partnership with state park systems and volunteer groups.
The station features in regional cultural narratives alongside landmarks such as Pictured Rocks and Isle Royale National Park, appearing in photographic collections, guidebooks, and documentaries that also cover Great Lakes shipwrecks, Edmund Fitzgerald, and maritime folklore centered on figures and events tied to Lake Superior. Its image and history have been used in publications and exhibits by institutions like the Michigan Historical Center and media productions exploring themes similar to those in works about Great Lakes freighters and maritime archaeology associated with the Thunder Bay National Marine Sanctuary.