River Prize winners
First awarded in 1999, the Thiess International River Prize and Regional River Prizes celebrate excellence in river management and restoration. The award inspires innovative initiatives that promote river resilience, encouraging winners to develop “bankable” projects that provide effective solutions to the most pressing issues faced by our waterways.
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- Thiess International River Prize
First awarded in 1999, the Thiess International River Prize and Regional River Prizes celebrate excellence in river management and restoration. The award inspires innovative initiatives that promote river resilience, encouraging winners to develop “bankable” projects that provide effective solutions to the most pressing issues faced by our waterways.

2025 – 2025 Thiess International River Prize Finalists
The 2025 Thiess International River Prize winner will be announced at the 26th International River Symposium Gala Dinner on Wednesday 10 September in Brisbane, Australia….

2022 – Cumbrian Rivers
In collaboration with the Styrian Government (Department 14 – Water Management…
2021 – Thwake River
Winner of the 2021 Thiess International River Prize, the Africa Sand Dam Foundat…
2018 – Pasig River
The Pasig River was declared biologically dead in the 1990s due to persistent po…
2018 – Whangawehi Stream
The Whangawehi stream is at risk of faecal contamination from stock and sediment…
2017 – San Antonio River
The San Antonio River Authority (SARA) have been managing point-source pollution…