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Sweeney Ridge

Mountain bike trail conditions · Bay Area, CA 37.606° N  122.458° W   1,198 FT

PRIME: Rideable now

No significant rain in the forecast.

Recent rain
No measurable rain in the past week
Today
58°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
58° PRIME Today 2026-08-20: 0.00 inches of rain, Fog or low cloud, representative trail outlook PRIME
56° PRIME FRI 2026-08-21: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
66° PRIME SAT 2026-08-22: 0.00 inches of forecast rain, Fog or low cloud, representative trail outlook PRIME
70° PRIME SUN 2026-08-23: 0.00 inches of forecast rain, Partly cloudy, representative trail outlook PRIME
67° 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, Sweeney Ridge 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 Sweeney Ridge dries this way

Terrain & soil

Sweeney Ridge sits in the Bay Area, CA area, on gravelly sandy soil that drains fast over terrain that drains at an even, moderate pace. 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. At 1,198 ft, Sweeney Ridge rides SSW-facing ground that soaks up sun through the middle of the day, which speeds drying and opens the season earlier; the gentle grade, around 3.4° on average, drains slowly enough that low spots stay soft after a storm. Baseball are among the named trails our map data covers here.

Network profile

Soil
Gravelly sandydrains fast
Drainage
Moderateeven drying
Tree cover
49%Partial
Elevation
1,198 ft
Average grade
3.4°
Predominant aspect
SSW-facing
How these factors affect drying

SoilGravelly sandy

About 35% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain sandy.

CanopyPartial 49%

A mix of sun and shade. Conditions vary across the network, with open sections drying faster than covered ones.

TerrainModerate

Terrain here drains at a moderate pace. It neither sheds nor holds water strongly.

Around Sweeney Ridge

Named trails

  • Sneath Lane Trail
  • Sweeney Ridge Trail
  • Mori Ridge Trail
  • Baquiano Trail
  • Baseball

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

Common questions
Can you ride Sweeney Ridge right now?

As of the latest update, Sweeney Ridge 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 Sweeney Ridge?

Sweeney Ridge sits on gravelly sandy soil that drains fast. About 35% of this ground is rock fragments, so water runs through it faster than the soil type alone suggests. It dries quicker than plain sandy.

How long does Sweeney Ridge take to dry after rain?

Sweeney Ridge usually needs only a few hours to recover after light rain. Its terrain drains at a moderate pace.

Does Sweeney Ridge get snow in winter?

Rarely. Sweeney Ridge sits low and mild enough (around 1,198 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 Sweeney Ridge?

Named trails at Sweeney Ridge include Sneath Lane Trail, Sweeney Ridge Trail, Mori Ridge Trail, Baquiano Trail and Baseball. 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 Sweeney Ridge 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 Sweeney Ridge?

Sweeney Ridge sits at roughly 1,198 feet, faces mostly SSW, and averages a 3.4° grade with about 49% tree cover. That makes it a sunny, fast-drying network, 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 Sweeney Ridge?

There is no real off-season at Sweeney Ridge: snow rarely interferes, so good days come down to rain and how fast the dirt dries. Its sunny aspect helps it come back fast after storms. The live verdict above reflects today.