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Big Basin Redwoods State Park

Mountain bike trail conditions · Bay Area, CA 37.176° N  122.230° W   1,460 FT Verified

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
No measurable rain in the past week
Today
88°Fclear
Last 10 daysoldest to newest

Updated Aug 26, 2026, 19:18 UTC. Modeled hourly. Official closures and current trail conditions take priority.

Is Big Basin Redwoods State Park rideable today?

Yes. The live verdict is PRIME, rideable now. No measurable rain in the past week.

Trail outlook

FORECAST
PRIME 7d 2026-08-19: 0.00 inches of rain, representative trail outlook PRIME
PRIME 6d 2026-08-20: 0.00 inches of rain, representative trail outlook PRIME
PRIME 5d 2026-08-21: 0.00 inches of rain, representative trail outlook PRIME
PRIME 4d 2026-08-22: 0.00 inches of rain, representative trail outlook PRIME
PRIME 3d 2026-08-23: 0.00 inches of rain, representative trail outlook PRIME
PRIME 2d 2026-08-24: 0.00 inches of rain, representative trail outlook PRIME
PRIME 1d 2026-08-25: 0.00 inches of rain, representative trail outlook PRIME
88° PRIME Today 2026-08-26: 0.00 inches of rain, Clear, representative trail outlook PRIME
85° PRIME THU 2026-08-27: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
80° PRIME FRI 2026-08-28: 0.00 inches of forecast rain, Cloudy, representative trail outlook PRIME
69° PRIME SAT 2026-08-29: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
69° PRIME SUN 2026-08-30: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
No measurable rain in the window. Over the tracked history, Big Basin Redwoods State Park 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.

Why Big Basin Redwoods State Park dries this way

Big Basin Redwoods State Park sits in the Bay Area, CA area, on loam soil that drains well 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. Whether it’s worth riding comes down to how that ground sheds and holds water after rain. That’s exactly what Loam tracks, hour by hour. The terrain here is gentle (a 2.5° average grade at 1,460 ft) and drains slowly enough that low spots stay soft after a storm, while the ESE-facing aspect catches morning sun, so the surface firms up earlier in the day. Gazos Creek Road, Ridge Road and Hihn Hammond Road are among the named trails our map data covers here.

Network profile

Soil
Loamdrains well
Drainage
Holds waterdries slowly
Tree cover
67%Dense
Elevation
1,460 ft
Average grade
2.5°
Predominant aspect
ESE-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.

CanopyDense 67%

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 Big Basin Redwoods State Park

Named trails

  • Gazos Creek Road
  • Ridge Road
  • Hihn Hammond Road
  • Johansen Road

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.

FAQ

Can you ride Big Basin Redwoods State Park right now?

As of the latest update, Big Basin Redwoods State Park is Rideable now (PRIME). No significant rain in the forecast. No measurable rain in the past week.

Is Big Basin Redwoods State Park muddy right now?

No. The current verdict is PRIME, which means the model reads the surface as dry. No measurable rain in the past week.

What is the soil and trail surface like at Big Basin Redwoods State Park?

Big Basin Redwoods State Park 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 Big Basin Redwoods State Park take to dry after rain?

Big Basin Redwoods State Park usually needs about a day or two to dry after meaningful rain. Its terrain holds water in low spots, which slows it. Heavy tree cover slows drying further.

Can you ride Big Basin Redwoods State Park after rain?

Usually yes, once the surface has had time to firm up, typically a day or two after meaningful rain. Rather than counting days, check the live verdict above: it already accounts for how much rain actually fell here and how fast this exact ground, with its slope and tree cover, gives back a firm, dry surface.

Does Big Basin Redwoods State Park get snow in winter?

Rarely. Big Basin Redwoods State Park sits low and mild enough (around 1,460 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 Big Basin Redwoods State Park?

Named trails at Big Basin Redwoods State Park include Gazos Creek Road, Ridge Road, Hihn Hammond Road and Johansen Road. 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 Big Basin Redwoods State Park 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 Big Basin Redwoods State Park?

Big Basin Redwoods State Park sits at roughly 1,460 feet, faces mostly ESE, and averages a 2.5° grade with about 67% tree cover. That makes it a morning-sun network that firms up early in the day, and the gentle grade means it leaves low spots soft after storms. Loam models this exact ground against live weather rather than using one regional forecast.

When is the best time of year to ride Big Basin Redwoods State Park?

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

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