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Mad River

river in California, United States
Place river Q6726034
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Summary

Mad River is a river[1]. It ranks in the top 2% of river entities by monthly Wikipedia readership (184 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Humboldt County[3], Trinity County[4]
  • Country: United States[5]
  • Commons category: Mad River (California)[6]
  • Mouth of the watercourse: Pacific Ocean[7]
  • Length: 182 km[8]
  • Watershed area: 1290 km²[9]

Why It Matters

Mad River is known by 3 alternative names across languages and contexts.[10]

Related Entities

United States

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata aliases. wikidata.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). Mad River. Retrieved October 17, 2026, from https://4ort.xyz/entity/mad-river-q6726034
MLA “Mad River.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/mad-river-q6726034.
BibTeX @misc{4ortxyz_mad-river-q6726034_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Mad River}}, year = {2026}, url = {https://4ort.xyz/entity/mad-river-q6726034}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Mad River — https://4ort.xyz/entity/mad-river-q6726034 (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/mad-river-q6726034 · Last refreshed:

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. 7d ago · Peter James · 2026-10-14 view diff on Wikidata ↗
    Wikipedia languages → ['arz', 'ceb', 'commons', 'de', 'en', 'he', 'nl']
    Claims rich → —
    "/* wbsetclaim-update:2||1|1 */ Gnis feature id: 217920"
  2. 6w ago · IdeasMagnet · 2026-09-07 view diff on Wikidata ↗
    Located in → —
    Instance of → river
    Watershed area → {'unit': 'Q712226', 'amount': '+1290'}
    Country → United States
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Openstreetmap relation id: 14648613, Adding OSM relation id claim from wikidata tag on relation/14648613 in United States"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.