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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

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…
April 8, 2022

The Species Balancing Act

One of the most common messages in conservation is that we need to protect species; from polar bears in Canada’s…
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…
An orange sun in a sky polluted by wildfire smoke over a residential area.News
August 13, 2021

Global Crisis, Local Solution

On Monday, the Intergovernmental Panel on Climate Change released its sixth report on the state of the global climate, with…
April 13, 2021

Thousand Acre Challenge: 2021 Update

Thanks to a great number of donors, and a grant from the ECHO Foundation, in 2020 the Thousand Acre Challenge…
April 13, 2021

Spotlight On: Trevelyan Farm

Trevelyan Farm is TIWLT's newest conservation easement property. With nearly 200 acres of beautiful wilderness, it's easy to sing its…
Bostwick IslandProjects
April 13, 2021

Your Present – Nature’s Future

Here we are in the midst of a pandemic that has not just locked us down, but locked us in.…
April 13, 2021

Ballet in the Night Sky

After sunset, when the light falls so you can just barely make out the silhouette of trees against the sky,…
Glen Elbe gardensProjects
April 13, 2021

A Volunteer’s Tour of Glen Elbe

The Farm at Glen Elbe is unlike any other TIWLT Property. With a historic house, 2 barns, a beautiful garden,…
April 13, 2021

Antibodies – But Not Anti-Nature

A firefly’s night-time glow comes from a protein in its gut, called luciferase. Scientists from the Donnelly Centre lab at…
Deer Ridge DriveResources
April 13, 2021

How Much is Enough?

The “Thousand Acres” of the Challenge has a good start, even in a pandemic year. We’re working hard not just…
December 15, 2020

Holiday Gift Guide

Give the gift of 4ever to future generations and save the land you love. Shop our Holiday Gift Guide.
November 30, 2020

Digging Trenches, Building Bridges

How do you renovate an 1838 house, make it Green for our Climate Change needs, and keep history alive in…
October 15, 2020

What a Year!

What a year, indeed.  At this time last year, the Thousand Islands Watershed Land Trust launched an ambitious project, the…
October 15, 2020

What’s the Difference?

What’s the difference, we’re often asked, between the Thousand Islands Watershed Land Trust, and organizations such as the Nature Conservancy…
October 15, 2020

Adopting 4ever

Would you consider adopting a conserved property, for all time? A one-time donation is a gift to the future, guaranteeing…
October 15, 2020

Conservation Matters… But Why Here?

The Thousand Islands watershed is a natural treasure chest, overflowing with communities of plants and animals like no other place.…
Landscape during fall with fields, trees and lakesNews
October 9, 2020

Announcing 2020 AGM

This year, the Thousand Islands Watershed Land Trust Annual General Meeting cannot be held in person. And so, the AGM…