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Sourland Mountain Preserve

Mountain bike trail conditions · Central New Jersey, NJ 40.474° N  74.701° W   341 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
0.3″ of rain, 3d ago
Today
80°Fpartly cloudy
Last 10 daysoldest to newest

Updated Aug 26, 2026, 19:04 UTC. Modeled hourly. Official closures and current trail conditions take priority.

Is Sourland Mountain Preserve rideable today?

Yes. The live verdict is PRIME, rideable now. 0.3″ of rain, 3d ago.

Trail outlook

0.9″
0.3″
FORECAST
PRIME 7d 2026-08-19: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-20: 0.90 inches of rain, representative trail outlook PRIME
STAY OFF 5d 2026-08-21: 0.00 inches of rain, representative trail outlook STAY OFF
PRIME 4d 2026-08-22: 0.00 inches of rain, representative trail outlook PRIME
CAUTION 3d 2026-08-23: 0.30 inches of rain, representative trail outlook CAUTION
PRIME 2d 2026-08-24: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-08-25: 0.00 inches of rain, representative trail outlook PRIME
80° PRIME Today 2026-08-26: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
83° PRIME THU 2026-08-27: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
80° PRIME FRI 2026-08-28: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
80° PRIME SAT 2026-08-29: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
86° PRIME SUN 2026-08-30: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
Measured rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Sourland Mountain Preserve has been rideable on 6 of the last 10 days, under a caution advisory on 1, and too wet to ride on 3. Daily trail markers are representative daytime outlooks. Weather is one input. The rideability verdict also accounts for soil, terrain, canopy, and drying time.

Why Sourland Mountain Preserve dries this way

Sourland Mountain Preserve is a mountain bike network in the Central New Jersey region of NJ, riding on loam soil that drains well over terrain that sheds water and dries quickly. Heavy tree cover holds the damp in, so it stays wet longer than the sky overhead would suggest. What really sets the timing here is how quickly that ground gives back a firm, dry surface, not what the day’s forecast says. The terrain here is rolling (a 7.3° average grade at 341 ft) and drains steadily rather than pooling, while the E-facing aspect catches morning sun, so the surface firms up earlier in the day.

Network profile

Soil
Loamdrains well
Drainage
Sheds waterdries quickly
Tree cover
89%Dense
Elevation
341 ft
Average grade
7.3°
Predominant aspect
E-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.

CanopyDense 89%

Heavy tree cover shades the soil and blocks wind, so these trails dry slowly and can hold morning damp even after dry days.

TerrainSheds water

Water runs off this terrain rather than pooling, which helps the surface dry out after rain.

Around Sourland Mountain Preserve

FAQ

Can you ride Sourland Mountain Preserve right now?

As of the latest update, Sourland Mountain Preserve is Rideable now (PRIME). No significant rain in the forecast. 0.3″ of rain, 3d ago.

Is Sourland Mountain Preserve muddy right now?

No. The current verdict is PRIME, which means the model reads the surface as dry. 0.3″ of rain, 3d ago.

What is the soil and trail surface like at Sourland Mountain Preserve?

Sourland Mountain Preserve 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 Sourland Mountain Preserve take to dry after rain?

Sourland Mountain Preserve usually needs about a day or two to dry after meaningful rain. Its terrain sheds water, which speeds drying. Heavy tree cover slows drying further.

Can you ride Sourland Mountain Preserve after rain?

Usually yes, once the surface has had time to firm up, typically a day or two after meaningful rain. Rather than counting days, check the live verdict above: it already accounts for how much rain actually fell here and how fast this exact ground, with its slope and tree cover, gives back a firm, dry surface.

Does Sourland Mountain Preserve get snow in winter?

Rarely. Sourland Mountain Preserve sits low and mild enough (around 341 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 Sourland Mountain Preserve?

Sourland Mountain Preserve sits at roughly 341 feet, faces mostly E, and averages a 7.3° grade with about 89% tree cover. That makes it a morning-sun network that firms up early in the day, and the rolling grade means it drains at a steady clip. Loam models this exact ground against live weather rather than using one regional forecast.

When is the best time of year to ride Sourland Mountain Preserve?

There is no real off-season at Sourland Mountain Preserve: snow rarely interferes, so good days come down to rain and how fast the dirt dries. The live verdict above reflects today.

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