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2025 Catchment Cup
Welcome to the 2025 Catchment Cup! Formerly known as River Cup, vote for your favorites here to help us determine Earth's most remarkable river system!
FINAL ROUND!!!
Onça vs. Jaguaribe
Onça
The Onca Catchment is the longest continuous monitoring of an outcrop area of ​​the Guarani Aquifer System from 2000 to the present day and is named after the Portuguese word for "jaguar"!
Jaguaribe
Located in the state of Ceara, Brazil, the Jaguaribe river basin is comprised of ephemeral rivers which only flow during the rainy season."Jaguaribe" comes from the Tupi term îagûarype, which means "in the river of the jaguars"
Cast Your Vote!
VOTE UNTIL FRIDAY, 10/31 at 5 pm ET to determine your CATCHMENT CUP 2025 WINNER!
Congratulations to our 2024 Earth's Most Remarkable River:
the Gila!
Congratulations to our 2023 World's Most Remarkable River:
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