Mountain bike trail conditions · Bay Area, CA
Trails are dry, excuses aren't.
Sitting in the Bay Area region of CA, Tamarancho is defined by its mixed drainage soil and rolling, partial shade ground. Those traits, more than the forecast alone, drive when this network is actually rideable.
Tamarancho’s drying behavior comes down to what Loam measures for this exact location:
This network sits on mixed or loamy soil — a blend of particle sizes that balances water retention with reasonable drainage. Drying time falls between sandy and clay soils, typically a day or two after significant rain.
A mix of shaded and open sections. Sun-exposed stretches dry quickly while tree-covered sections hold moisture longer, so conditions can vary noticeably across the network — rideable in one zone, still damp in another.
Rolling terrain drains reasonably well and tends to be forgiving in variable conditions — enough gradient to shed water without the consequences of steeper ground.
Slopes here are predominantly southeast-facing, with about 2% rock fragment content in the soil — a factor in how fast the surface sheds water and dries.
Loam is a free app for iPhone. Open it for a one-tap rideability verdict and get a push notification the moment Tamarancho turns rideable. Watch up to 3 networks free — no account needed.
Free download · Requires iPhone (iOS). Android not yet available.
As of the latest update, Tamarancho is Rideable now (PRIME). Trails are dry, excuses aren't. No measurable rain in the past week.
Tamarancho sits on mixed drainage ground (Loam). This network sits on mixed or loamy soil — a blend of particle sizes that balances water retention with reasonable drainage. Drying time falls between sandy and clay soils, typically a day or two after significant rain.
On its mixed drainage soil, Tamarancho typically takes about a day or two to dry after significant rain, and its rolling terrain helps shed water.
Yes — Tamarancho is in a maritime snow climate, so winter riding can be limited by snowpack or freeze-thaw. Loam flags a FROZEN state when the ground is snow-covered or frozen.