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Galbraith Mountain

Mountain bike trail conditions · Bellingham, WA 48.715° N  122.409° W   1,260 FT

PRIME: Rideable now

Rain returns in ~2 days.

Recent rain
No measurable rain in the past week
Next rain
~2d
Today
75°Ffog or low cloud
Last 10 daysoldest to newest

Updated Aug 21, 2026, 00:00 UTC. Modeled hourly. Official closures and current trail conditions take priority.

Trail outlook

7 days back · 4 ahead
0.3″
FORECAST
PRIME 7d 2026-08-13: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-14: 0.00 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-15: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-08-16: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-08-17: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-08-18: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-08-19: 0.00 inches of rain, representative trail outlook PRIME
75° PRIME Today 2026-08-20: 0.00 inches of rain, Fog or low cloud, representative trail outlook PRIME
82° PRIME FRI 2026-08-21: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
64° PRIME SAT 2026-08-22: 0.30 inches of forecast rain, Rain, representative trail outlook PRIME
62° PRIME SUN 2026-08-23: 0.00 inches of forecast rain, Overcast, representative trail outlook PRIME
67° PRIME MON 2026-08-24: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
Measured rain Forecast rain Above soft threshold (0.5″)
Over the tracked history, Galbraith Mountain has been rideable on 10 of the last 10 days. Daily trail markers are representative daytime outlooks. Weather is one input. The rideability verdict also accounts for soil, terrain, canopy, and drying time.
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Why Galbraith Mountain dries this way

Terrain & soil

Galbraith Mountain sits in the Bellingham, WA area, on gravelly loam soil that drains fast over terrain that drains at an even, moderate pace. Heavy tree cover holds the damp in, so it stays wet longer than the sky overhead would suggest. Whether it’s worth riding comes down to how that ground sheds and holds water after rain. That’s exactly what Loam tracks, hour by hour. At 1,260 ft, Galbraith Mountain rides WSW-facing ground that gets its strongest sun in the afternoon, so morning laps can stay tacky after overnight moisture; the rolling grade, around 6.9° on average, drains steadily rather than pooling.

Network profile

Soil
Gravelly loamdrains fast
Drainage
Moderateeven drying
Tree cover
83%Dense
Elevation
1,260 ft
Average grade
6.9°
Predominant aspect
WSW-facing
How these factors affect drying

SoilGravelly loam

About 25% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain loam.

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.

TerrainModerate

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

Around Galbraith Mountain

FAQ

Common questions
Can you ride Galbraith Mountain right now?

As of the latest update, Galbraith Mountain is Rideable now (PRIME). Rain returns in ~2 days. No measurable rain in the past week.

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

Galbraith Mountain sits on gravelly loam soil that drains fast. About 25% 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 Galbraith Mountain take to dry after rain?

Galbraith Mountain usually needs about a day or two to dry after meaningful rain. Its terrain drains at a moderate pace. Heavy tree cover slows drying further.

Does Galbraith Mountain get snow in winter?

Yes. At 1,260 ft, Galbraith 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 Galbraith Mountain?

Galbraith Mountain sits at roughly 1,260 feet, faces mostly WSW, and averages a 6.9° grade with about 83% tree cover. That makes it an afternoon-sun network where mornings run tackier, and the rolling grade means it drains at a steady clip. Loam models this exact ground against live weather rather than using one regional forecast.

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

The reliable season at Galbraith Mountain runs late spring through fall: at around 1,260 feet it holds real winter snowpack, and freeze-thaw makes the shoulder seasons hit or miss. Loam flags FROZEN days and posts a live verdict, so the calendar never has to be the tiebreaker.