Beach and Picnic Areas

Mille Roches Beach and Picnic Area

St. Lawrence Parks Mille Roches BeachMille Roches Beach is the largest sand beach on the St. Lawrence corridor spanning a long arching bay. The beach features watersport rentals and an island themed snack bar.

Spread over two islands, the campgrounds of Mille Roches offer seclusion and tranquility set amidst a forest canopy of mature trees. Of 214 campsites, Mille Roches has the largest number of waterfront sites among the parks of the St. Lawrence, with 63 sites along its wooded shores.


View the Beach and Picnic Area Map

Dates of Operation:

Closed for the 2020 season.

  • Food Concession
  • Boat Rental
  • Washrooms
  • Change House
  • Boat Launch
  • Playground Facilities
  • Beach
  • Swimming
  • Picnicking

Click here for a list of beaches that are currently posted. Each posting has a description of the beach water quality which helps determine whether specific locations are suitable for swimming.

Contact Us:

Picnic Reservation Request

In order to request a reservation, please complete and sign the Picnic Reservation Request form and return it to us by fax 613-543-2847, e-mail ( or mail to St. Lawrence Parks Commission 13740 County Road 2 Morrisburg, ON K0C 1X0

Phone 613-534-8202

e-mail -


15890 Long Sault Parkway, Long Sault, Ontario K0C 1P0

Parks of the St. Lawrence

13740 County Road 2
Morrisburg, ON, K0C 1X0
Tel: 1-800-437-2233 or 613-543-4328

Get Social!