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Ontario trails · Hollow River - Dividing Lake Access Point (#14)

Hollow River - Dividing Lake Access Point (#14)

A 10.3-mile out-and-back in Ontario, with 426 ft of climbing. Reaches Bear Lake and other lake destinations. Managed by Algonquin Provincial Park.

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Length
10.3 mi
Elevation gain
426 ft
Difficulty
Hard
Max grade
37%
Steepest mile
+398 ft
Tread at ≥10% grade
0.7 mi
Shape
out-and-back
Managed by
Algonquin Provincial Park

Elevation profile

1,165 – 1,592 ft12345678910

Most of the climbing sits in the middle third — 77% of the ascent, between mile 3.4 and mile 6.9. It gives back about 367 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Hollow River - Dividing Lake Access Point (#14)

NRCAN MRDEM ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Getting there

Hollow River - Dividing Lake Access Point (#14) access. 45.36875, -78.71694 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:59 a.m., the sun rises at 7:29 a.m. and sets at 6:31 p.m., and the last usable light fades about 7:01 p.m. (EDT) — 11 h 02 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 20.6-mile round trip takes roughly 8 h 03 min, so leaving the trailhead at sunrise puts you back around 3:32 p.m. — 2 h 59 min before sunset.

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