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Boler Mountain

Mountain bike trail conditions · London & Sarnia, ON, Canada 42.943° N  81.340° W   912 FT

PRIME: Rideable now

Rain returns in ~2 days.

Recent rain
No measurable rain in the past week
Next rain
~2d
Today
77°Fpartly cloudy
Last 10 daysoldest to newest

Updated Aug 21, 2026, 00:00 UTC. Modeled hourly. Official closures and current trail conditions take priority.

Trail outlook

7 days back · 4 ahead
0.7″
FORECAST
PRIME 7d 2026-08-13: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-14: 0.00 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-15: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-08-16: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-08-17: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-08-18: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-08-19: 0.00 inches of rain, representative trail outlook PRIME
77° PRIME Today 2026-08-20: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
78° PRIME FRI 2026-08-21: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
78° CAUTION SAT 2026-08-22: 0.70 inches of forecast rain, Thunderstorms, representative trail outlook CAUTION
69° PRIME SUN 2026-08-23: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
71° PRIME MON 2026-08-24: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
Measured rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Boler Mountain has been rideable on 10 of the last 10 days. Daily trail markers are representative daytime outlooks. Weather is one input. The rideability verdict also accounts for soil, terrain, canopy, and drying time.
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Why Boler Mountain dries this way

Terrain & soil

Boler Mountain sits in the London & Sarnia, ON, Canada area, on loam soil that drains well over terrain that holds water and dries slowly. With little tree cover, sun and wind get to the dirt fast. Whether it’s worth riding comes down to how that ground sheds and holds water after rain. That’s exactly what Loam tracks, hour by hour. At 912 ft, Boler Mountain rides NNE-facing ground that keeps the dirt shaded for much of the day, so moisture lingers after rain and snow is slow to clear; the gentle grade, around 2° on average, drains slowly enough that low spots stay soft after a storm.

Network profile

Soil
Loamdrains well
Drainage
Holds waterdries slowly
Tree cover
4%Open
Elevation
912 ft
Average grade
Predominant aspect
NNE-facing
How these factors affect drying

SoilLoam

Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

CanopyOpen 4%

Little tree cover means full sun and wind, so these trails are among the fastest to rebound after rain.

TerrainHolds water

Water tends to pool and linger here rather than running off, so the surface can stay damp well after the weather clears.

Around Boler Mountain

FAQ

Common questions
Can you ride Boler Mountain right now?

As of the latest update, Boler Mountain is Rideable now (PRIME). Rain returns in ~2 days. No measurable rain in the past week.

What is the soil and trail surface like at Boler Mountain?

Boler Mountain sits on loam soil that drains well. Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

How long does Boler Mountain take to dry after rain?

Boler Mountain usually needs about a day or two to dry after meaningful rain. Its terrain holds water in low spots, which slows it.

Does Boler Mountain get snow in winter?

Rarely. Boler Mountain sits low and mild enough (around 912 ft) that snow seldom affects riding; conditions are driven by rain and drying. Loam still flags FROZEN on the rare freeze.

What's the terrain and elevation like at Boler Mountain?

Boler Mountain sits at roughly 912 feet, faces mostly NNE, and averages a 2° grade with about 4% tree cover. That makes it a shady network that holds moisture longer than sunnier neighbors, and the gentle grade means it leaves low spots soft after storms. Loam models this exact ground against live weather rather than using one regional forecast.

When is the best time of year to ride Boler Mountain?

There is no real off-season at Boler Mountain: snow rarely interferes, so good days come down to rain and how fast the dirt dries. Its shady aspect means it needs longer after storms than sunnier networks nearby. The live verdict above reflects today.