Lake Mayfield

reservoir on the Cowlitz River in Lewis County, Washington state, United States of America
LakeBodyOfWater reservoir Q6476846
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Lake Mayfield

Summary

Lake Mayfield is a reservoir[1]. It ranks in the top 9% of reservoir entities by monthly Wikipedia readership (8 views/month).[2]

Key Facts

  • Lake Mayfield is located in Washington[3].
  • Lake Mayfield is located in Lewis County[4].
  • Lake Mayfield is in the country of United States[5].
  • Lake Mayfield's instance of is recorded as reservoir[6].
  • Lake Mayfield's inflows is recorded as Cowlitz River[7].
  • Lake Mayfield's inflows is recorded as Tilton River[8].
  • Lake Mayfield's outflows is recorded as Cowlitz River[9].
  • Lake Mayfield's basin country is recorded as United States[10].
  • Lake Mayfield's Commons category is recorded as Lake Mayfield[11].
  • Lake Mayfield's OpenStreetMap relation ID is recorded as 79636[12].
  • Lake Mayfield's GNIS Feature ID is recorded as 1531545[13].
  • Lake Mayfield's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 46.544722222222, 'longitude': -122.52944444444, 'precision': 0.00027777777777778}[14].
  • Lake Mayfield's Freebase ID is recorded as /m/096xvj[15].
  • Lake Mayfield's located in/on physical feature is recorded as Cowlitz River[16].
  • Lake Mayfield's located in/on physical feature is recorded as Tilton River[17].
  • Lake Mayfield's GeoNames ID is recorded as 5802678[18].
  • Lake Mayfield's elevation above sea level is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+130'}[19].
  • Lake Mayfield's area is recorded as {'unit': 'http://www.wikidata.org/entity/Q81292', 'amount': '+2021'}[20].
  • Lake Mayfield's perimeter is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+41558'}[21].
  • Lake Mayfield's located in protected area is recorded as Ike Kinswa State Park[22].
  • Lake Mayfield's located in protected area is recorded as Mayfield Buffer Wildlife Area[23].
  • Lake Mayfield's drainage basin is recorded as Columbia Basin[24].
  • Lake Mayfield's impounded by is recorded as Mayfield Dam[25].

Body

Geography

Lake Mayfield is in the country of United States[5]. Located in include Washington[3], an U.S. state[26], in United States[27], founded in 1889[28] and Lewis County[4], a county of Washington[29], in United States[30], founded in 1845[31].

Physical Characteristics

Lake Mayfield's area is recorded as {'unit': 'http://www.wikidata.org/entity/Q81292', 'amount': '+2021'}[20]. Its elevation above sea level is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+130'}[19].

Designation and Status

Lake Mayfield's instance of is recorded as reservoir[6].

Why It Matters

Lake Mayfield ranks in the top 9% of reservoir entities by monthly Wikipedia readership (8 views/month).[2]

References

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

Direct Wikidata claims

  1. [5] . Geographic Names Information System. wikidata.org.
  2. [6] . Geographic Names Information System. wikidata.org.
  3. [3] . Geographic Names Information System. wikidata.org.
  4. [4] . Geographic Names Information System. wikidata.org.
  5. [7] . National Hydrography Dataset. wikidata.org.
  6. [8] . National Hydrography Dataset. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . OpenStreetMap. wikidata.org.
  11. [13] . Geographic Names Information System. wikidata.org.
  12. [14] . Geographic Names Information System. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . GeoNames. wikidata.org.
  17. [19] . National Elevation Dataset. wikidata.org.
  18. [20] . National Hydrography Dataset. wikidata.org.
  19. [21] . National Hydrography Dataset. wikidata.org.
  20. [22] . OpenStreetMap. wikidata.org.
  21. [23] . OpenStreetMap. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.

Inline context (facts about related entities)

  1. [26] . Wikidata. wikidata.org. → on this site
  2. [27] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . Wikidata. wikidata.org. → on this site
  5. [30] . Wikidata. wikidata.org. → on this site
  6. [31] . 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). Lake Mayfield. Retrieved May 3, 2026, from https://4ort.xyz/entity/lake-mayfield
MLA “Lake Mayfield.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lake-mayfield.
BibTeX @misc{4ortxyz_lake-mayfield_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lake Mayfield}}, year = {2026}, url = {https://4ort.xyz/entity/lake-mayfield}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lake Mayfield — https://4ort.xyz/entity/lake-mayfield (retrieved 2026-05-03)

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