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Bald Mountain

Mountain bike trail conditions · Boise, ID 43.671° N  114.369° W   5,791 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
No measurable rain in the past week
Today
70°Fpartly cloudy

Updated Sep 5, 2026, 15:10 UTC. Modeled hourly. Unchanged for 10+ days. Official closures and current trail conditions take priority.

Last 10 daysoldest to newest

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Trail outlook

Is Bald Mountain rideable today?

Yes. The live verdict is PRIME, rideable now. No measurable rain in the past week.

0.1″
FORECAST
PRIME 7d 2026-08-29: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-30: 0.00 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-31: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-09-01: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-09-02: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-09-03: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-09-04: 0.00 inches of rain, representative trail outlook PRIME
70° PRIME Today 2026-09-05: 0.00 inches of rain, Partly cloudy, representative trail outlook PRIME
73° PRIME SUN 2026-09-06: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
60° PRIME MON 2026-09-07: 0.10 inches of forecast rain, Light rain, representative trail outlook PRIME
72° PRIME TUE 2026-09-08: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
74° PRIME WED 2026-09-09: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
Modeled rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Bald Mountain has been rideable on 10 of the last 10 days. Each daily marker shows the expected daytime condition. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Bald Mountain

Bald Mountain is a mountain bike trail network in Boise, ID. The soil is rocky loam and drains fast. The terrain averages a 15.8° slope at 5,791 ft and mainly faces NE. Its steep slopes shed water quickly after rain.

How these factors affect drying

SoilRocky loam

About 42% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain loam.

CanopyPartial 47%

A mix of sun and shade. Conditions vary across the network, with open sections drying faster than covered ones.

TerrainSheds water

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

FAQ

Can you ride Bald Mountain right now?

The current estimate for Bald Mountain is PRIME: rideable now. No significant rain in the forecast. No measurable rain in the past week.

Is Bald Mountain muddy right now?

Loam currently estimates dry conditions (PRIME). About 42% of the ground here is rock, so it drains faster than its soil type alone suggests. No measurable rain in the past week.

What is the soil and trail surface like at Bald Mountain?

Bald Mountain sits on rocky loam soil that drains fast. About 42% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain loam.

How long does Bald Mountain take to dry after rain?

Bald Mountain drains quicker than its soil type suggests, since about 42% of the ground is rock fragments. Its terrain sheds water, which speeds drying.

Can you ride Bald Mountain after rain?

The rocky soil here drains quickly, but softer sections may need more time. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

Does Bald Mountain get snow in winter?

Yes. At 5,791 ft, Bald Mountain 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 Bald Mountain?

Bald Mountain sits at roughly 5,791 feet, faces mostly NE, and averages a 15.8° grade with about 47% tree cover. It is slower to dry where it faces north, and the steep terrain sheds water quickly.

When is the best time of year to ride Bald Mountain?

Snow can limit riding at Bald Mountain in winter, at around 5,791 feet. Spring snowmelt and fall freezes can also affect conditions. Its shady aspect means it needs longer after storms than sunnier networks nearby. Check the current conditions before planning a ride.

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Network profile

Network profile

Soil
Rocky loamdrains fast
Drainage
Sheds waterdries quickly
Tree cover
47%Partial
Elevation
5,791 ft
Average grade
15.8°
Predominant aspect
NE-facing

Around Bald Mountain

Trail stewards

Trail work here is done by Sun Valley Resort. Support your local builders.