The highest point is approximately 201 metres (659 ft) above sea-level, surrounded by a larger plateau of relatively level terrain before giving way to steeper slopes on all sides.

[3][4] In the late 19th century, interest in astronomical observatories was growing due to the importance of celestial references for standardized timekeeping, which was in turn crucial for emerging railway networks and shipping.

[3][5] In 1940 McGill sold the land that is now Summit Woods to the City of Westmount for CAD$300,000, under the condition that the property be used "as a park or playground in perpetuity.

[8] Summit Woods is now a popular spot for bird watchers and dog walkers,[9] although the massive foundation blocks once used for telescopes remain prominently visible in their original locations.

[11] Since 1995, seasonal leashing rules have been in place to harmonize with the park's modern re-branding as an urban forest and bird and wild flower sanctuary.

[14] Owners wishing to bring their dogs to Summit Woods must first obtain a license from the City of Westmount and familiarize themselves with the seasonal leashing rules.

From 1940 to around 1945, the Verdun and District Sportsmen's Association introduced various game birds including pheasants, quail, and grouse with the aim of increasing hunting stocks in the area.

From 1890 to around 1901, McGill leased 3.6 hectares (nine acres) of land on the lower slopes of Westmount Summit, along Côte-des-Neiges Road just South of what is presently the Boulevard.