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Riley Trails

Mountain bike trail conditions · Grand Rapids, MI 42.824° N  86.186° W   650 FT Verified

STAY OFF: Active damage risk

Mon 5pm Dries back to Caution.

Recent rain
1.6″ of rain, 6h ago
Today
64°Frain
  • Thu 9/10, no measurable rain, modeled conditions: PRIME
  • Fri 9/11, no measurable rain, modeled conditions: PRIME
  • Sat 9/12, no measurable rain, modeled conditions: PRIME
  • Sun 9/13, no measurable rain, modeled conditions: PRIME
  • Mon 9/14, no measurable rain, modeled conditions: PRIME
  • Tue 9/15, 0.24 inches of rain, modeled conditions: PRIME then CAUTION then PRIME then CAUTION then PRIME
  • Wed 9/16, no measurable rain, modeled conditions: PRIME
  • Thu 9/17, 0.21 inches of rain, modeled conditions: PRIME then CAUTION then PRIME
  • Fri 9/18, no measurable rain, modeled conditions: PRIME
  • Sat 9/19, 1.60 inches of rain, modeled conditions: PRIME then STAY OFF
  • Today, Sun 9/20, 0.33 inches of rain, modeled conditions: STAY OFF
  • Mon 9/21, no measurable rain, modeled conditions: STAY OFF then CAUTION
  • Tue 9/22, no measurable rain, modeled conditions: CAUTION then PRIME
  • Wed 9/23, no measurable rain, modeled conditions: PRIME
  • Thu 9/24, no measurable rain, modeled conditions: PRIME, forecast preview, beyond the free window
  • Fri 9/25, no measurable rain, modeled conditions: PRIME, forecast preview, beyond the free window

Updated Sep 20, 2026, 14:16 UTC. Modeled hourly. Verdict last changed: Sep 19. Official closures and current trail conditions take priority.

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Is Riley Trails rideable today?

Not right now. The live verdict is STAY OFF: the ground is wet enough that riding would damage the trail. 1.6″ of rain, 6h ago.

CHANGED
Sat 1910am
Rain moved in. Verdict dropped to STAY OFF.
Thu 177pm
Dried back to PRIME.
Tue 1511am
Rain moved in. Verdict dropped to CAUTION.
Over the tracked history, Riley Trails has been rideable on 7 of the last 10 days, under a caution advisory on 1, and too wet to ride on 2. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Riley Trails

Riley Trails is a mountain bike trail network in Grand Rapids, MI. The soil is sandy and drains fast. Heavy tree cover can slow drying after rain. The terrain averages a 0.2° slope at 650 ft and mainly faces SW. Its nearly flat slopes can hold water in flat stretches.

How we check ourselves

How these factors affect drying

SoilSandy

Sandy, coarse soil sheds water fast. These trails are among the quickest to recover after rain.

CanopyDense 83%

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

TerrainHolds water

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

FAQ

Can you ride Riley Trails right now?

The current estimate for Riley Trails is STAY OFF: active damage risk. Expected rideable in ~1 day. No significant rain before then. 1.6″ of rain, 6h ago.

Is Riley Trails muddy right now?

Likely. The current estimate is STAY OFF: the ground is wet enough that riding could leave ruts. Sandy soil usually drains quickly. 1.6″ of rain, 6h ago.

What is the soil and trail surface like at Riley Trails?

Riley Trails sits on sandy soil that drains fast. Sandy, coarse soil sheds water fast. These trails are among the quickest to recover after rain.

How long does Riley Trails take to dry after rain?

Riley Trails usually needs only a few hours to recover after light rain. Its terrain holds water in low spots, which slows it. Heavy tree cover slows drying further.

Can you ride Riley Trails after rain?

Sandy soil drains quickly, though heavier rain can leave soft spots. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

Does Riley Trails get snow in winter?

Rarely. Riley Trails sits low and mild enough (around 650 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 Riley Trails?

Riley Trails sits at roughly 650 feet, faces mostly SW, and averages a 0.2° grade with about 83% tree cover. It is quicker to dry where it faces south, and the nearly flat terrain holds puddles in the flats.

When is the best time of year to ride Riley Trails?

Snow rarely affects Riley Trails. Check recent rain and allow time for the ground to dry. Its sunny aspect helps it come back fast after storms. The live verdict above reflects today.

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Network profile

Network profile

Soil
Sandydrains fast
Drainage
Holds waterdries slowly
Tree cover
83%Dense
Elevation
650 ft
Average grade
0.2°
Predominant aspect
SW-facing

Around Riley Trails

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