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COVID-19 safety measures, based on current Provincial recommendations, will be observed during all events to protect all those attending. 

News & Updates

Calder SchweitzerResources
February 9, 2024

Conservation Café with Calder Schweitzer (VOD)

Calder Schweitzer, Executive Director of the Thousand Islands Watershed Land Trust is the host of our first Conservation Café for…
January 5, 2024

Pawpaw Asimina triloba

  Pawpaw is a rare Carolinian species of tree native to the United States and eastern Canada. In Ontario, it…
December 6, 2023

Government of Canada’s Community Services Recovery Fund (CSRF) helps build Thousand Islands Watershed Land Trust

The Thousand Islands Watershed Land Trust (TIWLT) is pleased to announce that it is the recipient of $100,000 from the…
November 7, 2023

Ontario Trillium Grant sets Glen Elbe Learning Centre up for extended Real World Learning opportunities.

On Monday November 6, local MPP Steve Clark met with TIWLT at the Glen Elbe Learning Centre (GELC) east of…
June 23, 2023

Mackintosh Property Walk

Join us for a walk around the Mackintosh Property on July 18th at 9:30am! We hope to spot some turtles…
June 6, 2023


Earlier this year, our Executive Director Calder spoke about Climate Change at the Queens University Ted Talk. Calder spoke about "how land…
May 15, 2023

TIWLT May Plant Sale

ATHENS, Ontario - The Thousand Islands Watershed Land Trust (TIWLT) will be hosting a plant sale on May 27th from…
April 25, 2023

Science Café – Maggie Stevenson on Invasive Plants (VOD)

April's Science Café featured TIWLT's own Wildlife Biologist, Maggie Stevenson! Maggie talks about the ecology of some of Ontario's most…
April 25, 2023

Science Café – Bryan Scholes on Bird Photography (VOD)

February's Science Café featured local wildlife photographer Bryan Scholes. He speaks on some of the tools and tricks of the…
December 30, 2022

Thanking Conservation Heroes Dick and Bonnie Mabee

The first year of TIWLT's 5-year, $5 million conservation project in the Leeder's Creek area has been jump started by…
September 2, 2022

Science Café – Paul Coté on the History of Glen Elbe (VOD)

Our August Science Café features local historian Paul Coté who took us on a deep dive of the Elbe area's…
August 17, 2022

Science Café – Maggie and Fox on Summer Fieldwork (VOD)

In July of 2022, TIWLT Summer Staff Maggie Stevenson and Fox Creighton hosted a Science Café, outlining all of the…
June 9, 2022

Science Café – Mathieu LeCompte on Turtles in the Thousand Islands (VOD)

On May 24, 2022, Mathieu LeCompte of Thousand Islands National Park joined us to give a talk on turtles in…
April 29, 2022

Science Café – Calder Schweitzer on The Science of Species Interactions (VOD)

On April 22, 2022, Executive Director Calder Schweitzer hosted a talk discussing the science of species interactions and the concepts…
February 17, 2022

Science Café – Chris Wooding on “The Backyard Planet” (VOD)

On February 15 2022, owner of Ironwood Organics Chris Wooding gave a talk on "The Backyard Planet", a deep dive…
January 31, 2022

Science Café – Don Ross on Green Infrastructure (VOD)

On January 18, 2022, TIWLT President Don Ross gave a talk on Green Infrastructure as part of TIWLT's Science Café…
October 1, 2021

Trevelyan Farm Project Update

The Thousand Islands Watershed Land Trust is happy to announce that the Trevelyan Farm Project is complete, adding more than…