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Archipelago

    Salish SeaUnited States

    48°32′N 123°02′W

    San Juan Islands

    The San Juan Islands are part of an archipelago in the Pacific Northwest of the United States between the U.S. state of Washington and Vancouver Island in the Canadian province of British Columbia. The San Juan Islands are part of Washington state, and form the core of San Juan County.

    Fidalgo Island Burrows Bay, Allan Island (right), Lopez Island (behind), and Olympic Mountains (upper left)
    Fidalgo Island Burrows Bay, Allan Island (right), Lopez Island (behind), and Olympic Mountains (upper left)

    Walter Siegmund / CC BY 2.5

    Chart

    321 landforms

    Overview

    The San Juan Islands are part of an archipelago in the Pacific Northwest of the United States between the U.S. state of Washington and Vancouver Island in the Canadian province of British Columbia. The San Juan Islands are part of Washington state, and form the core of San Juan County. In the archipelago, four islands are accessible to vehicular and foot traffic via the Washington State Ferries system.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands6
    • Minor islands39
    • Islets113
    • Rocks & skerries163

    Major islands

    6
    • Orcas Island

      Orcas Island

      Area
      150 km²
      High point
      732 m

      Orcas Island is the largest of the San Juan Islands of the Pacific Northwest, in northwestern Washington, United States.

    • San Juan Island

      San Juan Island

      Area
      144 km²
      High point
      331 m

      San Juan Island is the second-largest and most populous of the San Juan Islands in northwestern Washington, United States. It has a land area of 142.59 km2 (55.053 sq mi) and a population of 8,632 as of the 2020 census.

    • Fidalgo Island

      Fidalgo Island

      Area
      109 km²
      High point
      385 m

      Fidalgo Island is an island in Skagit County, Washington, located about 60 mi (97 km) north of Seattle. To the east, it is separated from the mainland by the Swinomish Channel, and from Whidbey Island to the south by Deception Pass.

    • Lopez Island

      Lopez Island

      Area
      76.5 km²
      High point
      148 m

      Lopez Island is the third largest of the San Juan Islands and an unincorporated town in San Juan County, Washington, United States. 2 km2) in land area. The 2020 census population was 3,156, though the population swells in the summer, as second homes, rental houses, and campsites fill up.

    • Lummi Island

      Lummi Island

      Area
      23.4 km²
      High point
      101 m

      Lummi Island lies at the southwest corner of Whatcom County, Washington, United States, between the mainland part of the county and offshore San Juan County. The Lummi Indian Reservation is situated on a peninsula east of the island, but it does not include Lummi Island.

    • Cypress Island

      Cypress Island

      Area
      21.7 km²
      High point
      182 m

      Cypress Island is the westernmost part of Skagit County, Washington, and is about halfway between the mainland and offshore San Juan County. It is separated from Blakely Island to the west by Rosario Strait and from Guemes Island to the east by Bellingham Channel.

    Minor islands

    39

    Rocks & skerries

    163

    On the chart above, at its closest zooms.

    Listing 45 of 321; the rest are on the chart.

    Figures

    Comparative heights

    Sea level200 m400 m600 m800 m732 mOrcas385 mFidalgo331 mSan Juan319 mBlakely210 mGuemes208 mBurrows189 mStuart183 mWaldron182 mCypress164 mDecatur148 mLopez126 mSpieden114 mHenry107 mHat
    High points by island, metres above sea level.

    Islands by area

    0.11101001,000Orcas: 150 km²OrcasSan Juan: 144 km²San JuanFidalgo: 109 km²FidalgoLopez: 76.5 km²LopezLummi: 23.4 km²LummiCypress: 21.7 km²CypressGuemes: 21.2 km²GuemesShaw: 19.8 km²ShawBlakely: 17.4 km²BlakelyWaldron: 11.7 km²WaldronDecatur: 9 km²DecaturStuart: 7.5 km²StuartHenry: 4.1 km²HenrySinclair: 4.1 km²SinclairSucia: 2.3 km²SuciaSpieden: 2.1 km²SpiedenBurrows: 1.9 km²BurrowsAllan: 1.2 km²AllanCrane: 0.96 km²CranePatos: 0.94 km²PatosJohns: 0.9 km²JohnsVendovi: 0.88 km²VendoviObstruction: 0.86 km²ObstructionJones: 0.77 km²JonesCenter: 0.68 km²CenterMatia: 0.63 km²MatiaEliza: 0.55 km²ElizaJames: 0.47 km²JamesSatellite: 0.47 km²SatelliteHat: 0.44 km²HatFrost: 0.28 km²FrostUnnamed island: 0.25 km²Unnamed islandLong: 0.23 km²LongFlattop: 0.22 km²FlattopClark: 0.22 km²ClarkCanoe: 0.19 km²CanoePearl: 0.15 km²PearlNorth Finger: 0.15 km²North FingerCharles: 0.15 km²CharlesTurn: 0.14 km²Turn
    km², log scale. 1 without a known area.
    Orcas Island150 km²
    San Juan Island144 km²
    Fidalgo Island109 km²
    Lopez Island76.5 km²
    Lummi Island23.4 km²
    Cypress Island21.7 km²
    Guemes Island21.2 km²
    Shaw Island19.8 km²
    Blakely Island17.4 km²
    Waldron Island11.7 km²
    Decatur Island9 km²
    Stuart Island7.5 km²
    Henry Island4.1 km²
    Sinclair Island4.1 km²
    Sucia Island2.3 km²
    Spieden Island2.1 km²
    Burrows Island1.9 km²
    Allan Island1.2 km²
    Crane Island0.96 km²
    Patos Island0.94 km²
    Johns Island0.9 km²
    Vendovi Island0.88 km²
    Obstruction Island0.86 km²
    Jones Island0.77 km²
    Center Island0.68 km²
    Matia Island0.63 km²
    Eliza Island0.55 km²
    James Island0.47 km²
    Satellite Island0.47 km²
    Hat Island0.44 km²
    Frost Island0.28 km²
    Unnamed island0.25 km²
    Long Island0.23 km²
    Flattop Island0.22 km²
    Clark Island0.22 km²
    Canoe Island0.19 km²
    Pearl Island0.15 km²
    North Finger Island0.15 km²
    Charles Island0.15 km²
    Turn Island0.14 km²
    Barnes Island0.14 km²
    Trump Island0.13 km²
    McConnell Island0.12 km²
    South Finger Island0.11 km²

    Groups within

    1

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Talus
    • Wikipedia

    Photographs