Crawford Lake Conservation Area in Milton, Ont., has unveiled new interpretive signage exploring the site’s Indigenous history, ecological features, and scientific significance.

Conservation Halton developed the signs in partnership with its Indigenous Partners Council and scientific contributors, including Francine McCarthy, a professor of Earth sciences at Brock University. The unveiling took place on September 24, following the reopening of the reconstructed boardwalk earlier in the month.

One of the key additions is a circular display featuring the Thanksgiving Address, written by Kaniehtenhawi Deer and accompanied by artwork by Shayde Sandy. Installed at boardwalk lookouts, the display offers visitors an opportunity to reflect on Indigenous perspectives and relationships with the natural world.

The other interpretive panels explore the lake’s water structure, its plant and animal life, and its importance to scientific research.

Crawford Lake is a meromictic lake, meaning its water layers do not fully mix. This rare characteristic allows sediment to accumulate in distinct annual layers, providing researchers with a record of environmental changes over time. The boardwalk circles the lake and is part of a conservation area that welcomes approximately 100,000 visitors annually. The project aims to deepen visitors’ understanding of the site’s natural and cultural history while creating opportunities for learning and reflection.