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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

DRY: Rideable

No significant rain in the forecast.

Recent rain
0.1″ of rain, 3h ago
Today
58°Flight rain
  • Mon 10/12, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DRY
  • Tue 10/13, no measurable rain, daily high 71 degrees Fahrenheit, modeled conditions: DRY
  • Wed 10/14, no measurable rain, daily high 75 degrees Fahrenheit, modeled conditions: DRY
  • Thu 10/15, no measurable rain, daily high 87 degrees Fahrenheit, modeled conditions: DRY
  • Fri 10/16, no measurable rain, daily high 88 degrees Fahrenheit, modeled conditions: DRY
  • Sat 10/17, no measurable rain, daily high 88 degrees Fahrenheit, modeled conditions: DRY then DUSTY
  • Sun 10/18, no measurable rain, daily high 76 degrees Fahrenheit, modeled conditions: DUSTY
  • Mon 10/19, no measurable rain, daily high 60 degrees Fahrenheit, modeled conditions: DUSTY then DRY
  • Tue 10/20, no measurable rain, daily high 67 degrees Fahrenheit, modeled conditions: DRY
  • Wed 10/21, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DRY
  • Today, Thu 10/22, 0.16 inches of rain, daily high 58 degrees Fahrenheit, modeled conditions: DRY then CAUTION then DRY
  • Fri 10/23, no measurable rain, daily high 63 degrees Fahrenheit, modeled conditions: DRY
  • Sat 10/24, no measurable rain, daily high 73 degrees Fahrenheit, modeled conditions: DRY
  • Sun 10/25, no measurable rain, daily high 72 degrees Fahrenheit, modeled conditions: DRY
  • Mon 10/26, no measurable rain, daily high 71 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
  • Tue 10/27, no measurable rain, daily high 67 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
Updated

Updated Thursday, October 22nd, 2026 at 20:18 UTC. Verdict last changed: Thursday, October 22nd. Official closures and current trail conditions take priority.

Modeled hourly. Closures and local conditions take priority.

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Is Big Basin Redwoods State Park rideable today?

Yes. The live verdict is DRY, rideable now. 0.1″ of rain, 3h ago.

CHANGED
Thursday, October 22nd at 9am
Rain moved in. Verdict dropped to CAUTION.
Over the tracked history, Big Basin Redwoods State Park has been rideable on 10 of the last 10 days (very dry and dusty on 2 of them). Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Big Basin Redwoods State Park

Big Basin Redwoods State Park is a mountain bike trail network in Bay Area, CA. Soil data at the sampled location is classified as loam. Dense tree cover can reduce sun and wind exposure, slowing drying. Terrain data indicates an elevation of about 1,460 ft, an average terrain slope of 2.5° and a predominant ESE-facing aspect. Terrain slope does not measure the trail tread or its drainage features. Trails here include North Pine, Tanbark Loop Trail and Hihn Hammond Road. Loam models conditions across the network; individual trails and constructed surfaces can differ from these environmental inputs. Official closures and conditions on the ground take priority.

How we check ourselves

How these factors affect drying

SoilLoam

Loam combines drainage with water retention. Soil type alone does not establish how long this network takes to dry. The model uses surveyed water-retention values, not measured trail recovery times.

CanopyDense 67%

Dense tree cover can reduce sunlight and wind at ground level, slowing drying. Its effect depends on weather and local openings.

TerrainGentle

Gentle terrain can allow water to linger, but slope alone does not establish whether water pools on a trail.

FAQ

Can you ride Big Basin Redwoods State Park right now?

The current estimate for Big Basin Redwoods State Park is DRY: rideable. Rideable now. No significant rain in the forecast. 0.1″ of rain, 3h ago.

Is Big Basin Redwoods State Park muddy right now?

Loam currently estimates dry conditions (DRY). 0.1″ of rain, 3h ago.

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

The soil data at the sampled location is classified as loam. This describes an environmental input, not a survey of every trail surface.

How long does Big Basin Redwoods State Park take to dry after rain?

Big Basin Redwoods State Park has no fixed drying time. Rainfall, soil moisture, shade and the weather that follows all matter. Check the current estimate and wait until the trail surface is firm.

Can you ride Big Basin Redwoods State Park 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.

What does a frozen condition mean at Big Basin Redwoods State Park?

FROZEN means Loam estimates snow cover or frozen ground. It does not establish that riding is allowed or that every trail is frozen. Check posted winter access rules and watch for soft ground as temperatures rise.

What trails are at Big Basin Redwoods State Park?

Trails at Big Basin Redwoods State Park include North Pine, Tanbark Loop Trail, Hihn Hammond Road, Little Basin Road and Pig Ridge Cutoff. This is a partial list. The condition estimate covers the whole network, so individual trails may differ.

What's the terrain and elevation like at Big Basin Redwoods State Park?

Terrain data indicates an elevation of about 1,460 ft, an average terrain slope of 2.5° and a predominant ESE-facing aspect. Terrain slope does not measure the trail tread or its drainage features.

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Network profile

Network profile

Soil
Loamdrainage input
Terrain
Gentleterrain slope
Tree cover
67%Dense
Elevation
1,460 ft
Average grade
2.5°
Predominant aspect
ESE-facing

Named trails

  • North Pine
  • Tanbark Loop Trail
  • Hihn Hammond Road
  • Little Basin Road
  • Pig Ridge Cutoff

This is a partial trail list. The condition estimate covers the whole network. Trail names from public agency data and © OpenStreetMap contributors.

Around Big Basin Redwoods State Park

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