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15.1 miles
Distance
2,427 ft
Climb
-2,424 ft
Descent
1 mile
High Point
4 ft
Altitude change
4,149 ft
Altitude min
4,321 ft
Altitude start
4,324 ft
Altitude end
-44.5%
Grade max
31.2%
Grade min
8 miles
Distance climb
6 miles
Distance down
3,983 ft
Distance flat
A full value, singletrack only loop linking the best downhill sections (North Ridge & Lower Hooligan) with singletrack-only climbs.
Detailed Description
Spence Mtn - 16mi loop is a 15 mile popular expert route located near Klamath Falls Oregon. This mountain bike only route can be used one direction and has a hard overall physical rating. This route includes 28 trails. This route climbs 2,427 ft with a max elevation of 5,731 ft then descends -2,424 ft.
Trail Issues on Route
- Minor Issue / Yellow: 3 trails (newest: Sep 3, 2026)
Route Supporters
Local Trail Association
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Stats
-
Distance15 miles
-
Avg time2 hr 34 min
-
Altitude min4,149 ft
-
Altitude start4,321 ft
-
Altitude end4,324 ft
-
Climb2,427 ft
-
Descent-2,424 ft
-
Grade max-44.5%
-
Grade min31.2%
-
Distance climb8 miles
-
Distance down6 miles
-
Distance flat3,983 ft
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Trails in Route
| 673 ft | |||||
| 5 miles | |||||
| 3,215 ft | |||||
| 2,595 ft | |||||
| 2 miles | |||||
| 4 miles | |||||
| 4,551 ft | |||||
| 26 ft | |||||
| 2 miles |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlack Diamond
-
Route TypeLoop
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Bike typeAM
-
DirectionOne Direction
-
Physical ratingHard
-
Activity Logs
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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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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
Colors indicate trail is missing specified detail.
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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
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Radar Time
Activity Recordings
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Activity Recordings
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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
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BC Backroad Status
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Slope Aspect
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- Singletrack
Photos
Videos
youtuber
![Best expert MTB trails in Klamath Falls, OR -...]()
mtb
Best expert MTB trails in Klamath Falls, OR - North Ridge
trail: North Ridge
13:08 | 193 | comments: 0 | favs:
Jun 26, 2026
Recent Trail Reports Along Route
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- By dkscott & contributors
- #5714 - 2,407 views
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