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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

Rain returns in ~2 days.

Recent rain
0.1″ of rain, 6d ago
Next rain
~2d
Today
81°Fpartly cloudy

Updated Sep 12, 2026, 17:55 UTC. Modeled hourly. Verdict last changed: Sep 5. Official closures and current trail conditions take priority.

Last 10 daysoldest to newest

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Trail outlook

Is Sourland Mountain Preserve rideable today?

Yes. The live verdict is PRIME, rideable now. 0.1″ of rain, 6d ago.

0.1″
0.1″
0.5″
FORECAST
PRIME 7d 2026-09-05: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-09-06: 0.10 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-09-07: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-09-08: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-09-09: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-09-10: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-09-11: 0.00 inches of rain, representative trail outlook PRIME
81° PRIME Today 2026-09-12: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
80° PRIME SUN 2026-09-13: 0.10 inches of forecast rain, Light rain, representative trail outlook PRIME
74° CAUTION MON 2026-09-14: 0.50 inches of forecast rain, Heavy rain, representative trail outlook CAUTION
74° PRIME TUE 2026-09-15: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
79° PRIME WED 2026-09-16: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
Modeled rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Sourland Mountain Preserve has been rideable on 8 of the last 10 days, under a caution advisory on 1, and too wet to ride on 1. Each daily marker shows the expected daytime condition. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Sourland Mountain Preserve

Sourland Mountain Preserve is a mountain bike trail network in Central New Jersey, NJ. The soil is loam and drains well. Heavy tree cover can slow drying after rain. The terrain averages a 7.3° slope at 341 ft and mainly faces E. Its rolling slopes drain steadily.

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.

FAQ

Can you ride Sourland Mountain Preserve right now?

The current estimate for Sourland Mountain Preserve is PRIME: rideable now. Rain returns in ~2 days. 0.1″ of rain, 6d ago.

Is Sourland Mountain Preserve muddy right now?

Loam currently estimates dry conditions (PRIME). 0.1″ of rain, 6d 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?

Drying time depends on how much rain fell and the weather that follows. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

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. It is exposed to morning sun, and the rolling terrain drains steadily.

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

Snow rarely affects Sourland Mountain Preserve. Check recent rain and allow time for the ground to dry. The live verdict above reflects today.

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Network profile

Network profile

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

Around Sourland Mountain Preserve