Envisioning a world with plentiful healthy wetlands improving water quality, climate, biodiversity, and human well-being.

PADDLING & FISHING SEason

Your’e inviteD: mini-bioblitz!

The 2026 paddling and fishing season at the Dixon Waterfowl Refuge opens on May 1.

Plan your visit…

Read the 2024 Annual Report

Our 2024 Annual Report celebrates three decades of impact and showcases the past, present, and future of TWI’s work.

Read the full report…

Join us for a Mini-Bioblitz on Sunday, April 26 at the Dixon Waterfowl Refuge!

Learn more and register…

What is a wetland?

Check out our handy infographic to learn about the three characteristics that all wetlands share.

View the infographic here…