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 (70 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 coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 46.544722222222, 'longitude': -122.52944444444, 'precision': 0.00027777777777778}[12].
  • Lake Mayfield's located in/on physical feature is recorded as Cowlitz River[13].
  • Lake Mayfield's located in/on physical feature is recorded as Tilton River[14].
  • Lake Mayfield sits at an elevation of {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+130'}[15].
  • Lake Mayfield covers an area of {'unit': 'http://www.wikidata.org/entity/Q81292', 'amount': '+2021'}[16].
  • Lake Mayfield's perimeter is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+41558'}[17].
  • Lake Mayfield's located in protected area is recorded as Ike Kinswa State Park[18].
  • Lake Mayfield's located in protected area is recorded as Mayfield Buffer Wildlife Area[19].
  • Lake Mayfield's drainage basin is recorded as Columbia Basin[20].
  • Lake Mayfield's impounded by is recorded as Mayfield Dam[21].

Body

Geography

Lake Mayfield is in the country of United States[5]. Located in include Washington[3], an U.S. state[22], in United States[23], founded in 1889[24] and Lewis County[4], a county of Washington[25], in United States[26], founded in 1845[27].

Physical Characteristics

Lake Mayfield covers an area of {'unit': 'http://www.wikidata.org/entity/Q81292', 'amount': '+2021'}[16]. It sits at an elevation of {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+130'}[15].

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 (70 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] . Geographic Names Information System. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . National Elevation Dataset. wikidata.org.
  14. [16] . National Hydrography Dataset. wikidata.org.
  15. [17] . National Hydrography Dataset. wikidata.org.
  16. [18] . OpenStreetMap. wikidata.org.
  17. [19] . OpenStreetMap. wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.

Inline context (facts about related entities)

  1. [22] . Wikidata. wikidata.org. → on this site
  2. [23] . Wikidata. wikidata.org. → on this site
  3. [24] . Wikidata. wikidata.org. → on this site
  4. [25] . Wikidata. wikidata.org. → on this site
  5. [26] . Wikidata. wikidata.org. → on this site
  6. [27] . 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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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Quesotiotyo · 2026-07-19 view diff on Wikidata ↗
    Area {'unit': 'http://www.wikidata.org/entity/Q81292', 'amount':
    Basin country United States
    Instance of reservoir
    Outflows Cowlitz River
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/42652|batch #42652]]: (removed P3831 qualifier from P131 where equal to object's P31)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.