St. Marys River

tributary of the Potomac River in Maryland, United States
Place river Q7590574
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St. Marys River

Summary

St. Marys River is a river[1]. It ranks in the top 2% of river entities by monthly Wikipedia readership (3 views/month).[2]

Key Facts

  • St. Marys River is located in St. Mary's County[3].
  • St. Marys River is in the country of United States[4].
  • St. Marys River's image is recorded as St. Mary's River (21006023454).jpg[5].
  • St. Marys River's instance of is recorded as river[6].
  • St. Marys River's Commons category is recorded as St. Marys River (Maryland)[7].
  • St. Marys River's mouth of the watercourse is recorded as Potomac River[8].
  • St. Marys River's GNIS Feature ID is recorded as 594944[9].
  • St. Marys River's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 38.102222222222224, 'longitude': -76.44222222222223, 'precision': 0.0002777777777777778}[10].
  • St. Marys River's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 38.32318055555555, 'longitude': -76.55078888888889, 'precision': 0.000277778}[11].
  • St. Marys River's Freebase ID is recorded as /m/02m04g[12].
  • St. Marys River's external data available at URL is recorded as https://waterdata.usgs.gov/monitoring-location/01661500/#parameterCode=00065&period=P7D[13].
  • St. Marys River's official name is recorded as St. Marys River[14].
  • St. Marys River's official name is recorded as St. Mary[15].
  • St. Marys River's GeoNames ID is recorded as 4368319[16].
  • St. Marys River's different from is recorded as Saint Mary's River[17].
  • St. Marys River's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q253276', 'amount': '+22.3'}[18].
  • St. Marys River's elevation above sea level is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+0'}[19].
  • St. Marys River's BabelNet ID is recorded as 03322896n[20].
  • St. Marys River's Google Maps Customer ID is recorded as 4051928177778243581[21].
  • St. Marys River's drainage basin is recorded as Potomac River drainage basin[22].
  • St. Marys River's Wolfram Language entity code is recorded as Entity["River", "St.MarysRiver::x9hyr"][23].
  • St. Marys River's ground level 360 degree view URL is recorded as https://www.terrain360.com/trails/st-marys-river[24].
  • St. Marys River's Natural Atlas ID is recorded as 959914[25].
  • St. Marys River's Bing entity ID is recorded as ee2e08cf-b3e1-2657-9973-5a2c567ab9d6[26].
  • St. Marys River's Apple Maps ID is recorded as 3919417732930749892[27].

Body

Geography

St. Marys River is in the country of United States[4]. It is located in St. Mary's County[3].

Physical Characteristics

St. Marys River's elevation above sea level is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+0'}[19]. Its length is recorded as {'unit': 'http://www.wikidata.org/entity/Q253276', 'amount': '+22.3'}[18].

Designation and Status

St. Marys River's instance of is recorded as river[6].

Why It Matters

St. Marys River ranks in the top 2% of river entities by monthly Wikipedia readership (3 views/month).[2]

References

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

Direct Wikidata claims

  1. [4] . GeoNames. Retrieved . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [3] . Geographic Names Information System. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Geographic Names Information System. Retrieved . wikidata.org.
  7. [9] . Geographic Names Information System. Retrieved . wikidata.org.
  8. [10] . GeoNames. Retrieved . wikidata.org.
  9. [11] . Geographic Names Information System. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Geographic Names Information System. Retrieved . edits.nationalmap.gov. Provenance: wikidata.org.
  13. [15] . Geographic Names Information System. Retrieved . edits.nationalmap.gov. Provenance: wikidata.org.
  14. [16] . GeoNames. Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Wolfram Alpha. Retrieved . wolframalpha.com. Provenance: wikidata.org.
  17. [19] . Geographic Names Information System. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . terrain360.com. Retrieved . terrain360.com. Provenance: wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

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). St. Marys River. Retrieved May 3, 2026, from https://4ort.xyz/entity/st-marys-river-q7590574
MLA “St. Marys River.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/st-marys-river-q7590574.
BibTeX @misc{4ortxyz_st-marys-river-q7590574_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{St. Marys River}}, year = {2026}, url = {https://4ort.xyz/entity/st-marys-river-q7590574}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): St. Marys River — https://4ort.xyz/entity/st-marys-river-q7590574 (retrieved 2026-05-03)

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