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Sandy Ridge Trails

Mountain bike trail conditions · Portland Metro, OR 45.391° N  122.014° W   1,873 FT Verified

STAY OFF: Active damage risk

Friday, November 6th at 3am Dries back to Caution.

Recent rain
0.4″ of rain, in the last hour
Today
52°Frain
  • Mon 10/26, 0.23 inches of rain, daily high 47 degrees Fahrenheit, modeled conditions: STAY OFF
  • Tue 10/27, 0.35 inches of rain, daily high 46 degrees Fahrenheit, modeled conditions: STAY OFF
  • Wed 10/28, 0.35 inches of rain, daily high 45 degrees Fahrenheit, modeled conditions: STAY OFF
  • Thu 10/29, 0.10 inches of rain, daily high 49 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION then DRY then STAY OFF then CAUTION
  • Fri 10/30, 0.17 inches of rain, daily high 47 degrees Fahrenheit, modeled conditions: CAUTION then DRY then STAY OFF then CAUTION then DRY
  • Sat 10/31, no measurable rain, daily high 51 degrees Fahrenheit, modeled conditions: DRY
  • Sun 11/1, no measurable rain, daily high 44 degrees Fahrenheit, modeled conditions: DRY
  • Mon 11/2, no measurable rain, daily high 53 degrees Fahrenheit, modeled conditions: DRY
  • Tue 11/3, no measurable rain, daily high 56 degrees Fahrenheit, modeled conditions: DRY
  • Wed 11/4, 0.24 inches of rain, daily high 54 degrees Fahrenheit, modeled conditions: DRY then STAY OFF
  • Today, Thu 11/5, 0.43 inches of rain, daily high 52 degrees Fahrenheit, modeled conditions: STAY OFF
  • Fri 11/6, no measurable rain, daily high 56 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION
  • Sat 11/7, no measurable rain, daily high 66 degrees Fahrenheit, modeled conditions: CAUTION
  • Sun 11/8, 0.47 inches of rain, daily high 47 degrees Fahrenheit, modeled conditions: STAY OFF then CAUTION
  • Mon 11/9, no measurable rain, daily high 55 degrees Fahrenheit, modeled conditions: CAUTION, forecast preview, beyond the free window
  • Tue 11/10, no measurable rain, daily high 65 degrees Fahrenheit, modeled conditions: CAUTION, forecast preview, beyond the free window
Updated

Updated Thursday, November 5th, 2026 at 12:43 UTC. Verdict last changed: Thursday, November 5th. Official closures and current trail conditions take priority.

Modeled hourly. Closures and local conditions take priority.

This forecast covers the Sandy Ridge trail system, sampled on Flow Motion. The BLM provides trail maps and access information. Official trail information

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Is Sandy Ridge Trails rideable today?

Loam's modeled verdict is STAY OFF. Check official access, operating hours, and closures before riding. 0.4″ of rain, in the last hour.

CHANGED
Wednesday, November 4th at 11pm
Rain moved in. Verdict dropped to STAY OFF.
Friday, October 30th at 3pm
Dried back to CAUTION.
Friday, October 30th at 12pm
Rain moved in. Verdict dropped to STAY OFF.
Over the tracked history, Sandy Ridge Trails has been rideable on 6 of the last 10 days, under a caution advisory on 1, and too wet to ride on 3. Loam also considers soil, slope, tree cover, and drying time.

Soil and terrain at Sandy Ridge Trails

Sandy Ridge Trails is a mountain bike trail network in Portland Metro, OR. Soil data at the sampled location is classified as gravelly loam. Dense tree cover can reduce sun and wind exposure, slowing drying. Terrain data indicates an elevation of about 1,873 ft, an average terrain slope of 8.7° and a predominant SSW-facing aspect. Terrain slope does not measure the trail tread or its drainage features. 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

SoilGravelly loam

The soil data includes about 32% rock fragments. The model uses this to adjust drainage; it does not measure how quickly every trail section dries. The model uses surveyed water-retention values, not measured trail recovery times.

CanopyDense 87%

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

TerrainSteep

Steeper terrain can encourage runoff. Terrain slope does not measure the trail tread or its drainage features.

FAQ

Can you ride Sandy Ridge Trails right now?

The current estimate for Sandy Ridge Trails is STAY OFF: active damage risk. No rideable window yet. More rain arrives before the trail finishes drying. 0.4″ of rain, in the last hour.

Is Sandy Ridge Trails 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 Sandy Ridge Trails?

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

How long does Sandy Ridge Trails take to dry after rain?

Sandy Ridge Trails 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 Sandy Ridge Trails 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 Sandy Ridge Trails?

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's the terrain and elevation like at Sandy Ridge Trails?

Terrain data indicates an elevation of about 1,873 ft, an average terrain slope of 8.7° and a predominant SSW-facing aspect. Terrain slope does not measure the trail tread or its drainage features.

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Network profile

Network profile

Soil
Gravelly loamdrainage input
Terrain
Steepterrain slope
Tree cover
87%Dense
Elevation
1,873 ft
Average grade
8.7°
Predominant aspect
SSW-facing

Around Sandy Ridge Trails

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Trail stewards

Trail work here is done by Northwest Trail Alliance. Support your local builders.