Rock of Ages Lighthouse
Isle Royal, MI. Lake Superior

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ROCK OF AGES LIGHT

Location: OFF ISLE ROYALE/LAKE SUPERIOR
Nearest City: HOUGHTON
County: KEWEENAW
U.S.C.G. District: 9

Year Station Established: 1908

Existing Historic Tower:

  • Year Light First Lit: 1908
  • Is the Light Operational? YES
  • Date Deactivated: N/A
  • Automated: 1978
  • Foundation Materials: CONCRETE PIER/STEEL CAISSON
  • Construction Materials: STEEL/MASONRY/CONCRETE
  • Markings/Patterns: WHITE W/BLACK BASE & LANTERN
  • Shape: CYLINDRICAL "BOTTLE SHAPE"
  • Relationship to Other Structures: INTEGRAL
  • Tower Height: 117
  • Original Optic: SECOND ORDER, FRESNEL
  • Year Original Lens Installed: 1910
  • Present Optic: 190 MM
  • Year Present Lens Installed: 1985
  • Height of Focal Plane: 130
  • Fresnel Lens Disposition: ORIGINAL REVOLVING LENS ON EXHIBIT AT WINDIGO INFORMATION STATION AT ISLE ROYALE NATIONAL PARK
  • Has tower been moved? NO

Previous Tower(s): N/A

Modern Tower? NO

Existing Sound Signal Building? NO

Existing Keepers Quarters? YES

  • Year Constructed: 1908
  • Number of Stories: 0
  • Architectural Style: INTEGRAL TO TOWER
  • Construction Materials: STEEL/MASONRY/CONCR

Other Structures: NONE

Current Use: ACTIVE AID TO NAVIGATION IN NATIONAL PARK

Owner/Manager: U.S. COAST GUARD

Open to the Public? YES (Goto Publicly Accessible Lighthouses for access information)

Web Site: ISLE ROYALE NATIONAL PARK

National Register Status: LISTED Reference #83000881
Name of Listing: ROCK OF AGES LIGHT STATION (U.S. COAST GUARD/GREAT
LAKES TR) On State List/Inventory? NO; Year Listed:

Documented by HABS/HAER? YES MI-388 (WASO)

Miscellaneous:

MAJOR ENGINEERING FEAT BECAUSE OF ISOLATED LOCATION

 
Copyright 2001-2003 Michigan Lighthouse Conservancy. All rights reserved.
Revised: 08/24/03.