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Grand Marais

Mountain bike trail conditions · Duluth, MN 47.773° N  90.296° W   1,053 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
0.6″ of rain, 5d ago
Today
57°Fpartly cloudy
  • 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, 0.61 inches of rain, modeled conditions: PRIME then CAUTION then STAY OFF
  • Tue 9/15, no measurable rain, modeled conditions: STAY OFF then CAUTION then PRIME
  • Wed 9/16, no measurable rain, modeled conditions: PRIME
  • Thu 9/17, no measurable rain, modeled conditions: PRIME
  • Fri 9/18, no measurable rain, modeled conditions: PRIME
  • Sat 9/19, no measurable rain, modeled conditions: PRIME
  • Today, Sun 9/20, no measurable rain, modeled conditions: PRIME
  • Mon 9/21, no measurable rain, modeled conditions: PRIME
  • Tue 9/22, no measurable rain, modeled conditions: 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, 13:49 UTC. Modeled hourly. Unchanged for 10+ days. Official closures and current trail conditions take priority.

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Is Grand Marais rideable today?

Yes. The live verdict is PRIME, rideable now. 0.6″ of rain, 5d ago.

CHANGED
Tue 151pm
Dried back to CAUTION.
Tue 151am
Rain moved in. Verdict dropped to STAY OFF.
Over the tracked history, Grand Marais has been rideable on 10 of the last 10 days. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Grand Marais

Grand Marais is a mountain bike trail network in Duluth, MN. The soil is sandy and drains fast. Heavy tree cover can slow drying after rain. The terrain averages a 4.2° slope at 1,053 ft and mainly faces SSE. Its gentle slopes drain slowly, so low spots can stay soft after rain.

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 81%

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

TerrainModerate

Terrain here drains at a moderate pace. It neither sheds nor holds water strongly.

FAQ

Can you ride Grand Marais right now?

The current estimate for Grand Marais is PRIME: rideable now. No significant rain in the forecast. 0.6″ of rain, 5d ago.

Is Grand Marais muddy right now?

Loam currently estimates dry conditions (PRIME). Sandy soil usually drains quickly. 0.6″ of rain, 5d ago.

What is the soil and trail surface like at Grand Marais?

Grand Marais 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 Grand Marais take to dry after rain?

Grand Marais usually needs only a few hours to recover after light rain. Its terrain drains at a moderate pace. Heavy tree cover slows drying further.

Can you ride Grand Marais 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 Grand Marais get snow in winter?

Yes. At 1,053 ft, Grand Marais typically sees winter snow and freeze-thaw that can pause riding. Loam flags a FROZEN state when the ground is snow-covered or frozen, then clears it as things thaw and dry.

What's the terrain and elevation like at Grand Marais?

Grand Marais sits at roughly 1,053 feet, faces mostly SSE, and averages a 4.2° grade with about 81% tree cover. It is quicker to dry where it faces south, and the gentle terrain leaves low spots soft after storms.

When is the best time of year to ride Grand Marais?

Snow can limit riding at Grand Marais in winter, at around 1,053 feet. Spring snowmelt and fall freezes can also affect conditions. Its sunny aspect helps it come back fast after storms. Check the current conditions before planning a ride.

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Network profile

Network profile

Soil
Sandydrains fast
Drainage
Moderateeven drying
Tree cover
81%Dense
Elevation
1,053 ft
Average grade
4.2°
Predominant aspect
SSE-facing

Around Grand Marais

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