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Mercer County Park

Mountain bike trail conditions · Central New Jersey, NJ 40.269° N  74.644° W   62 FT Verified

DRY: Rideable

No significant rain in the forecast.

Recent rain
0.1″ of rain, 6d ago
Today
67°Fclear
  • Mon 10/12, no measurable rain, daily high 72 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION then DRY
  • Tue 10/13, no measurable rain, daily high 76 degrees Fahrenheit, modeled conditions: DRY
  • Wed 10/14, no measurable rain, daily high 78 degrees Fahrenheit, modeled conditions: DRY
  • Thu 10/15, no measurable rain, daily high 65 degrees Fahrenheit, modeled conditions: DRY
  • Fri 10/16, 0.07 inches of rain, daily high 73 degrees Fahrenheit, modeled conditions: DRY then CAUTION then DRY
  • Sat 10/17, no measurable rain, daily high 62 degrees Fahrenheit, modeled conditions: DRY
  • Sun 10/18, no measurable rain, daily high 58 degrees Fahrenheit, modeled conditions: DRY
  • Mon 10/19, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DRY
  • Tue 10/20, no measurable rain, daily high 70 degrees Fahrenheit, modeled conditions: DRY
  • Wed 10/21, no measurable rain, daily high 65 degrees Fahrenheit, modeled conditions: DRY
  • Today, Thu 10/22, no measurable rain, daily high 67 degrees Fahrenheit, modeled conditions: DRY
  • Fri 10/23, no measurable rain, daily high 58 degrees Fahrenheit, modeled conditions: DRY
  • Sat 10/24, no measurable rain, daily high 61 degrees Fahrenheit, modeled conditions: DRY
  • Sun 10/25, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DRY
  • Mon 10/26, no measurable rain, daily high 68 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
  • Tue 10/27, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
Updated

Updated Thursday, October 22nd, 2026 at 20:33 UTC. Verdict last changed: Thursday, October 22nd. Official closures and current trail conditions take priority.

Modeled hourly. Closures and local conditions take priority.

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Is Mercer County Park rideable today?

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

CHANGED
Friday, October 16th at 11pm
Dried back to DRY.
Friday, October 16th at 8pm
Rain moved in. Verdict dropped to CAUTION.
Monday, October 12th at 2pm
Dried back to DRY.
Over the tracked history, Mercer County Park has been rideable on 10 of the last 10 days. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Mercer County Park

Mercer County Park is a mountain bike trail network in Central New Jersey, NJ. Soil survey coverage is unavailable at the sampled location. Dense tree cover can reduce sun and wind exposure, slowing drying. Terrain data indicates an elevation of about 62 ft, an average terrain slope of 0.1° and a predominant NNW-facing aspect. Terrain slope does not measure the trail tread or its drainage features. Loam models conditions across the network; individual trails and constructed surfaces can differ from these environmental inputs. Official closures and conditions on the ground take priority.

How we check ourselves

How these factors affect drying

SoilNot surveyed

Soil survey data does not reach this spot, so the drying model assumes middle-of-the-road ground rather than guessing at a soil type. Other inputs still inform the model, but expect the drying estimate here to be less precise than at networks with surveyed soil.

CanopyDense 76%

Dense tree cover can reduce sunlight and wind at ground level, slowing drying. Its effect depends on weather and local openings.

TerrainGentle

Gentle terrain can allow water to linger, but slope alone does not establish whether water pools on a trail.

FAQ

Can you ride Mercer County Park right now?

The current estimate for Mercer County Park is DRY: rideable. Rideable now. No significant rain in the forecast. 0.1″ of rain, 6d ago.

Is Mercer County Park muddy right now?

Loam currently estimates dry conditions (DRY). 0.1″ of rain, 6d ago.

What is the soil and trail surface like at Mercer County Park?

Soil survey coverage is unavailable at the sampled location. Loam uses a middle estimate for soil drainage. Constructed trail surfaces may differ.

How long does Mercer County Park take to dry after rain?

Mercer County Park has no fixed drying time. Rainfall, soil moisture, shade and the weather that follows all matter. Check the current estimate and wait until the trail surface is firm.

Can you ride Mercer County Park 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.

What does a frozen condition mean at Mercer County Park?

FROZEN means Loam estimates snow cover or frozen ground. It does not establish that riding is allowed or that every trail is frozen. Check posted winter access rules and watch for soft ground as temperatures rise.

What's the terrain and elevation like at Mercer County Park?

Terrain data indicates an elevation of about 62 ft, an average terrain slope of 0.1° and a predominant NNW-facing aspect. Terrain slope does not measure the trail tread or its drainage features.

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Network profile

Network profile

Soil
Not surveyedmiddle estimate · modeled
Terrain
Gentleterrain slope
Tree cover
76%Dense
Elevation
62 ft
Average grade
0.1°
Predominant aspect
NNW-facing

Around Mercer County Park

Nearby networks

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