LoamLoam App StoreGoogle Play

Sunol Regional Wilderness

Mountain bike trail conditions · Bay Area, CA 37.536° N  121.832° W   1,089 FT Verified

DUSTY: Rideable, very dry

Expect dust and loose corners.

Recent rain
No measurable rain in the past week
Today
77°Fclear

Updated Sep 13, 2026, 05:46 UTC. Modeled hourly. Verdict last changed: Sep 7. Official closures and current trail conditions take priority.

Last 10 daysoldest to newest

Watch conditions at Sunol Regional Wilderness

Watch one network free. No account needed.

After installing, search for Sunol Regional Wilderness and turn on alerts.

Already have Loam? Open this trail

Download on the App StoreGet it on Google Play

Trail outlook

Is Sunol Regional Wilderness rideable today?

Yes. The live verdict is DUSTY: rideable, but very dry and loose over hardpack. No measurable rain in the past week.

FORECAST
PRIME 7d 2026-09-05: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-09-06: 0.00 inches of rain, representative trail outlook PRIME
DUSTY 5d 2026-09-07: 0.00 inches of rain, representative trail outlook DUSTY
DUSTY 4d 2026-09-08: 0.00 inches of rain, representative trail outlook DUSTY
DUSTY 3d 2026-09-09: 0.00 inches of rain, representative trail outlook DUSTY
DUSTY 2d 2026-09-10: 0.00 inches of rain, representative trail outlook DUSTY
DUSTY 1d 2026-09-11: 0.00 inches of rain, representative trail outlook DUSTY
77° DUSTY Today 2026-09-12: 0.00 inches of rain, Clear, representative trail outlook DUSTY
68° DUSTY SUN 2026-09-13: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook DUSTY
80° DUSTY MON 2026-09-14: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook DUSTY
84° DUSTY TUE 2026-09-15: 0.00 inches of forecast rain, Cloudy, representative trail outlook DUSTY
78° DUSTY WED 2026-09-16: 0.00 inches of forecast rain, Clear, representative trail outlook DUSTY
No measurable rain in the window. Over the tracked history, Sunol Regional Wilderness has been rideable on 10 of the last 10 days (very dry and dusty on 6 of them). Each daily marker shows the expected daytime condition. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Sunol Regional Wilderness

Sunol Regional Wilderness is a mountain bike trail network in Bay Area, CA. The soil is loam and drains well. The terrain averages a 10° slope at 1,089 ft and mainly faces W. Its rolling slopes drain steadily.

How we check ourselves

How these factors affect drying

SoilLoam

Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

CanopyPartial 28%

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 Sunol Regional Wilderness right now?

The current estimate for Sunol Regional Wilderness is DUSTY: rideable, very dry. Rideable, but very dry. Expect dust and loose corners. No measurable rain in the past week.

Is Sunol Regional Wilderness muddy right now?

Loam currently estimates dry conditions (DUSTY). No measurable rain in the past week.

What is the soil and trail surface like at Sunol Regional Wilderness?

Sunol Regional Wilderness sits on loam soil that drains well. Loam balances drainage with water retention, so it typically takes a day or two to dry after meaningful rain.

How long does Sunol Regional Wilderness take to dry after rain?

Sunol Regional Wilderness usually needs about a day or two to dry after meaningful rain. Its terrain sheds water, which speeds drying.

Can you ride Sunol Regional Wilderness after rain?

Drying time depends on how much rain fell and the weather that follows. Wait until the surface is firm. Check the current estimate before heading out, and turn back if your tires leave ruts.

Does Sunol Regional Wilderness get snow in winter?

Rarely. Sunol Regional Wilderness sits low and mild enough (around 1,089 ft) that snow seldom affects riding; conditions are driven by rain and drying. Loam still flags FROZEN on the rare freeze.

What's the terrain and elevation like at Sunol Regional Wilderness?

Sunol Regional Wilderness sits at roughly 1,089 feet, faces mostly W, and averages a 10° grade with about 28% tree cover. It is exposed to afternoon sun, and the rolling terrain drains steadily.

When is the best time of year to ride Sunol Regional Wilderness?

Snow rarely affects Sunol Regional Wilderness. Check recent rain and allow time for the ground to dry. The live verdict above reflects today.

Trail stewards, clubs and bike shops: Put live conditions on your site with a free badge that updates itself. Get the embed code →
Appearance

Loam is a rider app. The badge helps riders find it, so standard embeds are free. No account required. The snippet includes a short text link to the live conditions page; please keep it so riders can open full details. Need several networks? Build a free trail conditions widget. How Loam works and why it is free.

Network profile

Network profile

Soil
Loamdrains well
Drainage
Sheds waterdries quickly
Tree cover
28%Partial
Elevation
1,089 ft
Average grade
10°
Predominant aspect
W-facing

Around Sunol Regional Wilderness

Nearby networks

Del Valle Regional Park8 MI Lake Cunningham Bike Park14 MI Brushy Peak17 MI Chabot20 MI Pearson-Arastradero Preserve22 MI

Every Bay Area network →