Donat Grandmaître played a significant role in the history of Petrie Island, particularly in the context of local development and environmental conservation efforts. He was a prominent figure in the Ottawa region, serving as a city councillor and later as the mayor of the city of Orléans. His contributions were instrumental in advocating for the preservation of Petrie Island, which is known for its natural beauty and ecological significance.

Under Grandmaître's leadership, efforts were made to protect the island from overdevelopment and to promote it as a recreational area for the community. His advocacy helped raise awareness about the importance of conserving the island's natural habitats, which are home to various species of wildlife.

Additionally, Grandmaître's work contributed to the establishment of parks and recreational facilities on Petrie Island, making it a popular destination for residents and visitors alike. His legacy is reflected in the ongoing efforts to maintain the ecological integrity of the island while providing opportunities for public enjoyment.

For more detailed information, you might want to explore local archives or historical resources that document the contributions of Donat Grandmaître to Petrie Island and the surrounding community.