LoamTrail outlook
7 days back · 4 aheadDaily 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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Want the next PRIME alert? Get Loam for iPhone.Why Black Diamond Open Space dries this way
Terrain & soilBlack Diamond Open Space (Seattle & Snoqualmie, WA) rides on gravelly sandy soil that drains fast over terrain that sheds water and dries quickly. Heavy tree cover holds the damp in, so it stays wet longer than the sky overhead would suggest. Loam reads that exact ground against live weather, rather than leaning on a regional forecast that can’t tell you what the dirt is doing. The SSE-facing aspect soaks up sun through the middle of the day, which speeds drying and opens the season earlier, and the rolling terrain, about a 7.1° average grade at 282 ft, drains steadily rather than pooling.
Network profile
- Soil
- Gravelly sandydrains fast
- Drainage
- Sheds waterdries quickly
- Tree cover
- 60%Dense
- Elevation
- 282 ft
- Average grade
- 7.1°
- Predominant aspect
- SSE-facing
How these factors affect drying
SoilGravelly sandy
About 29% 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 60%
Heavy tree cover shades the soil and blocks wind, so these trails dry slowly and can hold morning damp even after dry days.
TerrainSheds water
Water runs off this terrain rather than pooling, which helps the surface dry out after rain.
Nearby networks in Seattle & Snoqualmie, WA
Seattle & Snoqualmie, WAFAQ
Common questionsCan you ride Black Diamond Open Space right now?
As of the latest update, Black Diamond Open Space is Rideable, very dry (DUSTY). Rideable, but very dry. Expect dust and loose corners. No measurable rain in the past week.
What is the soil and trail surface like at Black Diamond Open Space?
Black Diamond Open Space sits on gravelly sandy soil that drains fast. About 29% 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 Black Diamond Open Space take to dry after rain?
Black Diamond Open Space usually needs only a few hours to recover after light rain. Its terrain sheds water, which speeds drying. Heavy tree cover slows drying further.
Does Black Diamond Open Space get snow in winter?
Yes. At 282 ft, Black Diamond Open Space 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 Black Diamond Open Space?
Black Diamond Open Space sits at roughly 282 feet, faces mostly SSE, and averages a 7.1° grade with about 60% tree cover. That makes it a sunny, fast-drying network, 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 Black Diamond Open Space?
The reliable season at Black Diamond Open Space runs late spring through fall: at around 282 feet it holds real winter snowpack, and freeze-thaw makes the shoulder seasons hit or miss. Its sunny aspect helps it come back fast after storms. Loam flags FROZEN days and posts a live verdict, so the calendar never has to be the tiebreaker.