The Len Holley/Curly Harnden Side Trails Loop is a leisurely 5.5 km loop hike affording magnificent views over Colpoy’s Bay and to the Malcolm Bluffs. After parking at the corner of the north end of Gleeson Lake Rd & Colpoy’s Range Rd head north on the Len Holley Side Trail following the blue blazes. After 1.8 km you will meet the main Bruce Trail.

Turn left on the main trail and follow the white blazes. You will be rewarded with magnificent views to the north over Colpoy’s Bay and to the Malcolm Bluffs.  After 1.8 km on the main trail you will come to an intersection with the 1.9 km Curly Harnden Side Trail.  Turn left onto this side trail and follow the blue blazes. The trail heads south for awhile and then turns east and takes you back to Gleeson Lake Rd and your parked car.  

This loop trail falls within the Sydenham section of the Bruce Trail. For more information on other loop and side trails and the portion of the main Bruce Trail in this section please visit the Sydenham Bruce Trail Club’s website at 

For more information on this and other portions of the Bruce Trail please purchase the Bruce Trail Maps from the Bruce Trail Conservancy at

Trail users are advised to obtain an updated version of the Bruce Trail guide before venturing out as trail information may change from time to time.

We would also direct you to read our DISCLAIMER and our TRAIL USERS CODE.

Nearby towns and cities:
Trail feature tags: | |


Length: 5.6 km. loop
Difficulty: Difficult (Trail classifications)
Trail surface: Natural and Rock
Trail use: Hiking and Snowshoeing
Accessibility Notes: Not wheelchair accessible
Fees: None

Flora & Fauna:

Not yet reported

Amenities: None Reported

Attractions: Lookouts

Sydenham Bruce Trail Club

Find it: Parking at the north end of Gleeson Lake Rd just as it turns east to become Colpoy's Range Rd

GPS Coordinates (main trailhead):
Latitude: 44.7813510
Longitude: -81.0293050