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1,273 ft
Distance
-127 ft
Descent
00:01:34
Avg time
-127 ft
Altitude change
654 ft
Altitude min
780 ft
Altitude max
780 ft
Altitude start
653 ft
Altitude end
-9.9%
Grade
-22.8%
Grade max
2.8%
Grade min
59 ft
Distance climb
1,168 ft
Distance down
49 ft
Distance flat
00:01:34
Avg time
Bumble Details
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Activities
- Mountain Bike
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Riding AreaTualatin Mountain Forest (Rocky Point Trails)
Portland, Oregon -
Difficulty Rating
-
Local Popularity35 in Mountain Biking
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Trail TypeSingletrack
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Bike TypeDH, AM, XC
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TTFs on TrailJump
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Land OwnerOSU Research Forests
No community description for Bumble trail has been added yet!
AI Generated Description
Bumble is a 1,273 ft less popular blue difficulty singletrack trail located near Portland Oregon. This mountain bike only trail. It features jump. On average it takes 1 minutes to complete this trail.
Access Info Restricted Access
These trails are not open to the general public. You must be a member of NWTA to access these trails as part of the land use agreement with OSU Research Forests. Please adhere to our land use agreement with OSU Research Forests.
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
- 3 rides
- 8 miles avg distance
All
- 55 rides
- Last: May 22, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Bumble Trail Reports
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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 riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
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- < 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
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Trail Popularity ?
Trailforks scans ridelogs 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 rides = more kinetic energy = warmer colors.
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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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
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Directions to bumble trailhead
(45.701890, -122.885740)
Photos
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Frequently Asked Questions About Bumble
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Where is Bumble located?
Bumble is located in Tualatin Mountain Forest (Rocky Point Trails), Portland, Oregon, United States. It is part of the Tualatin Mountain Forest (Rocky Point Trails) trail network. The trailhead is located at coordinates 45.70189, -122.88574.
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How hard is Bumble?
Bumble is rated as Blue difficulty. The average grade is 9.9%.
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What is the elevation gain for Bumble?
The trail has 127 ft of elevation descent. The elevation ranges from 654 ft to 780 ft.
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How long is Bumble?
Bumble is 1,273 ft long. The trail type is singletrack.
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