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Lynch Canyon Open Space

Mountain bike trail conditions · Bay Area, CA 38.186° N  122.208° W   614 FT Verified

STAY OFF: Active damage risk

Thursday, October 22nd at 7pm Dries back to Caution.

Recent rain
0.4″ of rain, in the last hour
Today
59°Frain
  • Mon 10/12, no measurable rain, daily high 67 degrees Fahrenheit, modeled conditions: DUSTY
  • Tue 10/13, no measurable rain, daily high 77 degrees Fahrenheit, modeled conditions: DUSTY
  • Wed 10/14, no measurable rain, daily high 76 degrees Fahrenheit, modeled conditions: DUSTY
  • Thu 10/15, no measurable rain, daily high 87 degrees Fahrenheit, modeled conditions: DUSTY
  • Fri 10/16, no measurable rain, daily high 86 degrees Fahrenheit, modeled conditions: DUSTY
  • Sat 10/17, no measurable rain, daily high 85 degrees Fahrenheit, modeled conditions: DUSTY
  • Sun 10/18, no measurable rain, daily high 69 degrees Fahrenheit, modeled conditions: DUSTY
  • Mon 10/19, no measurable rain, daily high 64 degrees Fahrenheit, modeled conditions: DUSTY
  • Tue 10/20, no measurable rain, daily high 68 degrees Fahrenheit, modeled conditions: DUSTY then DRY
  • Wed 10/21, no measurable rain, daily high 65 degrees Fahrenheit, modeled conditions: DRY
  • Today, Thu 10/22, 0.42 inches of rain, daily high 59 degrees Fahrenheit, modeled conditions: DRY then CAUTION then STAY OFF then CAUTION
  • Fri 10/23, no measurable rain, daily high 66 degrees Fahrenheit, modeled conditions: CAUTION then DRY
  • Sat 10/24, no measurable rain, daily high 75 degrees Fahrenheit, modeled conditions: DRY
  • Sun 10/25, no measurable rain, daily high 73 degrees Fahrenheit, modeled conditions: DRY
  • Mon 10/26, no measurable rain, daily high 72 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
  • Tue 10/27, no measurable rain, daily high 68 degrees Fahrenheit, modeled conditions: DRY, forecast preview, beyond the free window
Updated

Updated Thursday, October 22nd, 2026 at 20:32 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 Lynch Canyon Open Space rideable today?

Not right now. The live verdict is STAY OFF: the ground is wet enough that riding would damage the trail. 0.4″ of rain, in the last hour.

CHANGED
Thursday, October 22nd at 7am
Rain moved in. Verdict dropped to STAY OFF.
Thursday, October 22nd at 5am
Rain moved in. Verdict dropped to CAUTION.
Tuesday, October 20th at 11pm
Rain moved in. Verdict dropped to DRY.
Over the tracked history, Lynch Canyon Open Space has been rideable on 9 of the last 10 days (very dry and dusty on 9 of them), and too wet to ride on 1. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Lynch Canyon Open Space

Lynch Canyon Open Space is a mountain bike trail network in Bay Area, CA. Soil data at the sampled location is classified as loam. Open tree cover can allow more sun and wind exposure, helping drying. Terrain data indicates an elevation of about 614 ft, an average terrain slope of 3° and a predominant S-facing aspect. Terrain slope does not measure the trail tread or its drainage features. Trails here include Hiddenbrooke Trail, Blue Rock Springs Trail and Saint John's Mine 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.

CanopyOpen 0%

Open tree cover can allow more sunlight and wind to reach the ground. Terrain, weather and trail construction also affect drying.

TerrainModerate

Moderate terrain slope is one input to the drying model. Local drainage also depends on soil and trail construction.

FAQ

Can you ride Lynch Canyon Open Space right now?

The current estimate for Lynch Canyon Open Space is STAY OFF: active damage risk. Expected rideable in ~13 hours. No significant rain before then. 0.4″ of rain, in the last hour.

Is Lynch Canyon Open Space muddy right now?

Likely. The current estimate is STAY OFF: the ground is wet enough that riding could leave ruts. 0.4″ of rain, in the last hour.

What is the soil and trail surface like at Lynch Canyon Open Space?

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 Lynch Canyon Open Space take to dry after rain?

Lynch Canyon Open Space 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 Lynch Canyon Open Space 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 Lynch Canyon Open Space?

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 Lynch Canyon Open Space?

Trails at Lynch Canyon Open Space include Hiddenbrooke Trail, Blue Rock Springs Trail, Saint John's Mine Road and Summit Trail. 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 Lynch Canyon Open Space?

Terrain data indicates an elevation of about 614 ft, an average terrain slope of 3° and a predominant S-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
Moderateterrain slope
Tree cover
0%Open
Elevation
614 ft
Average grade
3°
Predominant aspect
S-facing

Named trails

  • Hiddenbrooke Trail
  • Blue Rock Springs Trail
  • Saint John's Mine Road
  • Summit Trail

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

Around Lynch Canyon Open Space

Nearby networks

Rockville Hills Regional Park5 MI Crockett Hills11 MI Lagoon Valley / Pena Adobe15 MI Wildcat Canyon18 MI Mount Burdell19 MI

Every Bay Area network →

Trail stewards

Trail work here is done by Solano Land Trust. Support your local builders.