Hill Island Quarry Restoration

This project will involve restoration work at Hill Island's quarry site. The site was used for aggregate extraction prior to it becoming part of Thousand Islands National Park in the late 70's. Experimental restoration plantings at the site have proven that hyperabundant deer heavily browse all new unprotected vegetation, leading to high seedling mortality. Over the past several years, six test 20m x 20m deer exclusion fence plots were established and have resulted in high tree survival rates. The main project elements include installing a total of 8000 ft. of 7.5 ft. high deer exclusion fence to facilitate restoration of this 5-hectare area. In total, there will be 5-6 fenced areas that will be planted with native tree species starting in fall 2023 and continuing in spring 2024. The majority of the work will be done with the use of hand tools.

Latest update

October 03, 2023 - The assessment decision statement has been issued to the proponent.



Thousand Islands National Park
2 County Road 5, RR 3
Mallorytown, Ontario K0E 1R0
Telephone: 613-923-5261
Fax: 613-923-1021
Email: pnmille-iles-thousandislandsnp@pc.gc.ca

  • Location

    • Thousand Islands National Park of Canada (Ontario)
  • Nature of Activity

    • Remediation and conservation
  • Assessment Status

  • Start Date

  • Proponent

    Parks Canada
  • Authorities

    • Parks Canada Agency
  • Assessment Type

    Project on federal lands
  • Reference Number


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Nearby assessments

...within 200 kilometres
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