Enasan Tunnel

The total length is 8,649m for the up line and 8,489m for the down line. When it opened in 1975, it was the longest road tunnel in Japan and the second longest road tunnel in the world. As of November 2017, it is the 6th longest tunnel after Yamate
Place road_tunnel Q11492437
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Enasan Tunnel

Summary

Enasan Tunnel is a road tunnel[1]. It draws 8 Wikipedia views per month (road_tunnel category, ranking #64 of 270).[2]

Key Facts

  • Enasan Tunnel is located in Achi[3].
  • Enasan Tunnel is located in Nakatsugawa[4].
  • Enasan Tunnel is in the country of Japan[5].
  • Enasan Tunnel's image is recorded as Enasan Tunnel for Tokyo.jpg[6].
  • Enasan Tunnel's instance of is recorded as road tunnel[7].
  • Mount Ena is named after Enasan Tunnel[8].
  • Enasan Tunnel's crosses is recorded as Fujimidai Highlands[9].
  • Enasan Tunnel's Commons category is recorded as Enasan Tunnel[10].
  • Enasan Tunnel's Structurae structure ID is recorded as 20043083[11].
  • Enasan Tunnel's Structurae structure ID is recorded as 20043082[12].
  • Enasan Tunnel's coordinate location is recorded as {'lat': 35.483056, 'lon': 137.628611}[13].
  • Enasan Tunnel's date of official opening is recorded as +1975-08-23T00:00:00Z[14].
  • Enasan Tunnel's length is recorded as {'unit': 'Q11573', 'amount': '+8649'}[15].
  • Enasan Tunnel's length is recorded as {'unit': 'Q11573', 'amount': '+8489'}[16].
  • Enasan Tunnel's carries thoroughfare is recorded as Chuo Expressway[17].
  • Enasan Tunnel's Google Knowledge Graph ID is recorded as /g/12302k3f[18].
  • Enasan Tunnel's image of interior is recorded as EnasanTN-nobori-naibu.JPG[19].
  • Enasan Tunnel's Pixiv Encyclopedia ID is recorded as 恵那山トンネル[20].

Body

Geography

Enasan Tunnel is in the country of Japan[5]. Located in include Achi[3], a village of Japan[21], in Japan[22], founded in 1956[23] and Nakatsugawa[4], a city of Japan[24], in Japan[25], founded in 1951[26].

Physical Characteristics

Lengths include {'unit': 'Q11573', 'amount': '+8649'}[15] and {'unit': 'Q11573', 'amount': '+8489'}[16].

Designation and Status

Enasan Tunnel's instance of is recorded as road tunnel[7].

History and Context

Mount Ena is named after Enasan Tunnel[8].

Why It Matters

Enasan Tunnel draws 8 Wikipedia views per month (road_tunnel category, ranking #64 of 270).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] . wikidata.org.
  2. [6] . wikidata.org.
  3. [7] . wikidata.org.
  4. [3] . wikidata.org.
  5. [4] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.

Inline context (facts about related entities)

  1. [21] . Wikidata. wikidata.org. → on this site
  2. [22] . Wikidata. wikidata.org. → on this site
  3. [23] . Wikidata. wikidata.org. → on this site
  4. [24] . Wikidata. wikidata.org. → on this site
  5. [25] . Wikidata. wikidata.org. → on this site
  6. [26] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Enasan Tunnel. Retrieved May 3, 2026, from https://4ort.xyz/entity/enasan-tunnel
MLA “Enasan Tunnel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/enasan-tunnel.
BibTeX @misc{4ortxyz_enasan-tunnel_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Enasan Tunnel}}, year = {2026}, url = {https://4ort.xyz/entity/enasan-tunnel}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Enasan Tunnel — https://4ort.xyz/entity/enasan-tunnel (retrieved 2026-05-03)

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