Skip to content
Toothhound
Kansas

Kanopolis Spillway

A public Kansas classic where the Western Interior Seaway still shows through. Rain and runoff expose Cretaceous shark teeth in spillway gravels and eroding shale.

Cross-checking the score reliability tier…
Loading dossier
Geology
FormationsDakota Formation, Graneros Shale, Greenhorn Limestone
EpochsLate Cretaceous
Age~100-90 million years
Star speciesSqualicorax and Cretoxyrhina
Technique

Walk spillway gravels and recent runoff fans after storms. Search both the coarse lag and any freshly weathered shale chips at the base of cuts.

Access

Public access in Kanopolis State Park and adjacent public recreation areas; hiking and shoreline access available.

Legality & ethics

Casual collecting in public recreation zones is generally allowed. Do not disturb archaeological sites or collect from posted protected areas.

Hazards
  • Slippery limestone after rain
  • Heat and little shade
  • Sharp rock and cactus on side slopes
Insider tips
  • This is a reset spot: the day after runoff can beat a whole week of fair weather
  • Tiny teeth hide in gravel bars beside the obvious larger weathered chunks
  • The Western Interior species are usually thicker, darker, and stubbier than Atlantic Miocene teeth

Shark teeth findable here

Trophy = headline find · Rare = real score · Uncommon = some trips · Common = most trips.

Also findable here

The beachcomber's bonus round — what else the geology gives up.

💬 Community Discussion

0 messages

Privacy First: Discussions are stored locally on your device in this version.

Tides © NOAA CO-OPS · Wind/wave © Open-Meteo · Lunar via SunCalc · This page is informational only.