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Cawthra Mulock Nature Reserve

Donated to Ontario Nature in 2003, the Cawthra Mulock Nature Reserve is a valuable contribution to the conservation of nature. Julyan Mulock and the Cawthra Mulock Foundation generously donated the 107-hectare (265-acre) property, ensuring that the land would be protected in perpetuity.

Located just north of Newmarket, the property is a valuable green space in a highly developed area of Ontario. The York Region Greening Strategy identifies it as a key natural area. The reserve also falls within the context of the Government of Ontario’s Greenbelt system. Situated just north of the Oak Ridges Moraine, the rolling hills and forested ridges are a refuge for wildlife.

Come visit Ontario Nature’s first accessible trail! This 538-metre trail includes guiding ropes, is graded to a maximum of 10% for 20 metres and the surface is pea gravel. There is also a system of well-marked trails, including interpretive signs.



18462 Bathurst Street
Public Phone

Additional Information

Short Description
Explore the accessible trail spanning 538 metres to see red fox, great blue herons, red-tailed hawks, great-horned owls and much more.


Upcoming Events

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Latest Past Events

Wintersong Music Festival

Stouffville (various venues) Stouffville

Wintersong Music Festival is back 2023! The exciting community festival for families and music lovers of all ages takes place Jan 20 & 21st, 2023 in Stouffville, ON and is…


Brew HAHA Comedy Night ft. Headliner: AL VAL

Old Flame Brewing Co. 140 Main Street South, Newmarket

RyGuy Comedy presents Brew HAHA, York Region's FAVOURITE comedy show! This is a monthly must-see event, and hands down one of the most entertaining things to do in Newmarket, Ontario!…

$20 – $25

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