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Tamarancho

Mountain bike trail conditions · Bay Area, CA 37.871° N  122.556° W   764 FT

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
No measurable rain in the past week
Today
66°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
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
66° PRIME Today 2026-08-20: 0.00 inches of rain, Fog or low cloud, representative trail outlook PRIME
65° PRIME FRI 2026-08-21: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
78° PRIME SAT 2026-08-22: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
72° PRIME SUN 2026-08-23: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
69° PRIME MON 2026-08-24: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
No measurable rain in the window. Over the tracked history, Tamarancho 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 Tamarancho dries this way

Terrain & soil

Tamarancho (Bay Area, CA) rides on loam soil that drains well over terrain that sheds water and dries quickly. 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. At 764 ft, Tamarancho rides WNW-facing ground that gets its strongest sun in the afternoon, so morning laps can stay tacky after overnight moisture; the rolling grade, around 10° on average, drains steadily rather than pooling. Trails on the map here include Miwok Trail, Dias Ridge Trail and Camino del Canon.

Network profile

Soil
Loamdrains well
Drainage
Sheds waterdries quickly
Tree cover
47%Partial
Elevation
764 ft
Average grade
10°
Predominant aspect
WNW-facing
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 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.

Around Tamarancho

Named trails

  • Miwok Trail
  • Dias Ridge Trail
  • Camino del Canon
  • Coyote Ridge Trail
  • Glenn Crack

Some of the named trails our map data covers here, not a complete list; one verdict covers the whole network. Trail names from public agency data and © OpenStreetMap contributors.

Trail stewards

Trail work here is done by Friends of Tamarancho. Support your local builders.

FAQ

Common questions
Can you ride Tamarancho right now?

As of the latest update, Tamarancho 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 Tamarancho?

Tamarancho 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 Tamarancho take to dry after rain?

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

Does Tamarancho get snow in winter?

Rarely. Tamarancho sits low and mild enough (around 764 ft) that snow seldom affects riding; conditions are driven by rain and drying. Loam still flags FROZEN on the rare freeze.

What trails are at Tamarancho?

Named trails at Tamarancho include Miwok Trail, Dias Ridge Trail, Camino del Canon, Coyote Ridge Trail and Glenn Crack. That is a sample of what our map data covers rather than a full inventory, and local trail counts change as networks are built out. Loam models conditions for Tamarancho as a whole, so the verdict on this page covers the network rather than scoring each trail separately.

What's the terrain and elevation like at Tamarancho?

Tamarancho sits at roughly 764 feet, faces mostly WNW, and averages a 10° grade with about 47% 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 Tamarancho?

There is no real off-season at Tamarancho: snow rarely interferes, so good days come down to rain and how fast the dirt dries. The live verdict above reflects today.