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Why Duthie Hill dries this way
Terrain & soilDuthie Hill is a mountain bike network in the Seattle & Snoqualmie region of WA, riding on gravelly sandy soil that drains fast over terrain that holds water and dries slowly. Heavy tree cover holds the damp in, so it stays wet longer than the sky overhead would suggest. What really sets the timing here is how quickly that ground gives back a firm, dry surface, not what the day’s forecast says. The N-facing aspect keeps the dirt shaded for much of the day, so moisture lingers after rain and snow is slow to clear, and the nearly flat terrain, about a 0.2° average grade at 551 ft, lets water sit, so the flat stretches are the last to firm up.
Network profile
- Soil
- Gravelly sandydrains fast
- Drainage
- Holds waterdries slowly
- Tree cover
- 79%Dense
- Elevation
- 551 ft
- Average grade
- 0.2°
- Predominant aspect
- N-facing
How these factors affect drying
SoilGravelly sandy
About 20% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain sandy.
CanopyDense 79%
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.
Around Duthie Hill
Trail stewards
Trail work here is done by Evergreen Mountain Bike Alliance. Support your local builders.
FAQ
Common questionsCan you ride Duthie Hill right now?
As of the latest update, Duthie Hill is Rideable now (PRIME). No significant rain in the forecast. No measurable rain in the past week.
What is the soil and trail surface like at Duthie Hill?
Duthie Hill sits on gravelly sandy soil that drains fast. About 20% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain sandy.
How long does Duthie Hill take to dry after rain?
Duthie Hill 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.
Does Duthie Hill get snow in winter?
Yes. At 551 ft, Duthie Hill 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 Duthie Hill?
Duthie Hill sits at roughly 551 feet, faces mostly N, and averages a 0.2° grade with about 79% tree cover. That makes it a shady network that holds moisture longer than sunnier neighbors, and the nearly flat grade means it holds puddles in the flats. Loam models this exact ground against live weather rather than using one regional forecast.
When is the best time of year to ride Duthie Hill?
The reliable season at Duthie Hill runs late spring through fall: at around 551 feet it holds real winter snowpack, and freeze-thaw makes the shoulder seasons hit or miss. Its shady aspect means it needs longer after storms than sunnier networks nearby. Loam flags FROZEN days and posts a live verdict, so the calendar never has to be the tiebreaker.