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2,526 ft
Distance
75 ft
Climb
-78 ft
Descent
00:06:30
Avg time
-3 ft
Altitude change
1,210 ft
Altitude min
1,289 ft
Altitude max
1,213 ft
Altitude start
1,211 ft
Altitude end
-0.1%
Grade
-19.5%
Grade max
11.6%
Grade min
1,608 ft
Distance climb
761 ft
Distance down
154 ft
Distance flat
00:06:30
Avg time
Road 640 Details
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Activities
- Mountain Bike
- Gravel Bike
- Horse
- Hike
- Trail Running
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Riding AreaMcDonald Forest
Corvallis, Oregon -
Difficulty Rating
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Local Popularity70 in Mountain Biking [+]
- 55 in Trail Running
- 60 in Hiking
- 5 in Horseback
- 75 in Gravel Biking
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Trail TypeDirt/Gravel Road
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Bike TypeGravel
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DirectionBoth DirectionsPopular In Reverse
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Climb DifficultyGreen
-
Physical RatingEasy
-
Trail VisibilityAlways easy to follow
-
Family FriendlyYes
-
Dogs AllowedYes
-
eBike Allowed
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Ride in RainYes
-
Land Owner
Gravel road spur that starts out flat and then slowly descends north and east away from its intersection with Patterson Road near the upper trailhead of Ridge.
Access Info
Splits off Patterson Road near the road and trailhead for the top of Ridge.
Local Trail Association
-
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 6 rides
- 12 miles avg distance
All
- 45 rides
- Last: Sep 24, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Road 640 Trail Reports
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3D
Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
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Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more activities = more kinetic energy = warmer colors.
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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
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Directions to road-640 trailhead
(44.630440, -123.304870)
Photos
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Videos
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Nearby Trails
- Ridge 302 ft
- Road 620 302 ft
- Alpha 1,050 ft
- Lower Bombs Away 1,115 ft
- Upper Bombs Away 1,890 ft
- By tbmaddux
Team Dirt Alsea Falls TC & contributors - #285237 - 450 views
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