CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

List of isthmuses

Wikimedia list article

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionDec 15, 2025
Entity authorityQ27664549 ↗
Source-derived summary

This list of isthmuses is an appendix to the article isthmus. The list is sorted by the region of the world in which the isthmus is located. An isthmus ( or ; plural: isthmuses, or occasionally isthmi; from Ancient Greek: ἰσθμός, romanized: isthmos, lit. 'neck') is a narrow piece of land connecting two larger areas across an expanse of water that otherwise separates them. A tombolo is an isthmus that consists of a spit or bar.

Africa

Egypt

Isthmus of Mansheya which developed around the man-made Heptastadion connecting the island of Pharos to mainland Alexandria.

Americas

Argentina

Istmo Carlos Ameghino, Province of Chubut

Quetrihué Isthmus of Quetrihué Peninsula in Nahuel Huapi Lake

Brazil

Isthmus at Nova Brasilia, Mel Island, Paraná

British Overseas Territories

Isthmus of East Falkland

Canada

Isthmus of Avalon

Isthmus of Chignecto

Meadow Portage Isthmus

Niagara Peninsula

Prince Edward County Isthmus

Sechelt Isthmus

Central America

Costa Rica

Isthmus of Panama

Isthmus of Rivas, Nicaragua

Chile

Isthmus of Brunswick Peninsula

Isthmus of Muñoz Gamero Peninsula

Ofqui Isthmus, Aisén Region

French Overseas Collectivity

Isthmus of La Dune

Mexico

Isthmus of Tehuantepec, Mexico

United States

Isthmus of Catalina Island

Madison Isthmus

Seattle, Washington

Point Peninsula, New York

Maui, Hawai'i

Venezuela

Médanos Isthmus – links mainland Venezuela to Paraguaná

Asia

The Caucasus region connecting Europe to Asia between the Black Sea and Caspian Sea is sometimes considered an isthmus.

The Isthmus of Kra connecting Malay Peninsula with the mainland of Asia located in southern Thailand.

The Sinai Peninsula forms the Isthmus of Suez between the Mediterranean Sea and Red Sea and also forms the Asian border area towards Africa.

The central area of Kushimoto town in the Wakayama prefecture of Japan is located on a narrow isthmus, surrounded on both sides by the Pacific Ocean.

Metro Manila in the Philippines is situated on an isthmus.

Editorial summary

“List of isthmuses” enters the record as wikimedia list article. Crown Archives preserves that source wording while asking what List, isthmuses and Wikimedia can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 303-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its strongest next move is a source search built around List, isthmuses and Wikimedia.
Editorial analysis

Why this record matters

“List of isthmuses” is worth following because a concise public description often conceals a longer documentary argument. Here, List, isthmuses and Wikimedia provides the most credible route into that argument.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Dec 15, 2025. The linked authority identifier is Q27664549. None of the 0 selected statements returned an explicit reference.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “List of isthmuses”, its source revision and the description used here.
  2. Expand the search: follow List of isthmuses primary sources, List of isthmuses archive and List research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “List of isthmuses”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “List of isthmuses” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.