Open in App
Get this route on your phone instantly.
10.2 miles
Distance
1,446 ft
Climb
-1,443 ft
Descent
2,394 ft
High Point
1 ft
Altitude change
1,235 ft
Altitude min
1,235 ft
Altitude start
1,237 ft
Altitude end
-34.1%
Grade max
54.5%
Grade min
5 miles
Distance climb
4 miles
Distance down
4,961 ft
Distance flat
Relatively short out-n-back with a central loop on the most popular section of the mountain. This route will test your climbing legs. lungs and technical skill. It doesn't let up when things point downhill.
Detailed Description
SoMo Rollingpin is a highly rated 10 mile popular expert route located near Phoenix Arizona. This mountain bike only route can be used both directions and has a hard overall physical rating. This route includes 34 trails. This route climbs 1,446 ft with a max elevation of 2,394 ft then descends -1,443 ft.
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
Donate to earn trail karma!
Stats
-
Distance10 miles
-
Avg time1 hr 58 min
-
Altitude min1,235 ft
-
Altitude start1,235 ft
-
Altitude end1,237 ft
-
Climb1,446 ft
-
Descent-1,443 ft
-
Grade max-34.1%
-
Grade min54.5%
-
Distance climb5 miles
-
Distance down4 miles
-
Distance flat4,961 ft
27 Reviews & Comments
We hope you've been enjoying Trailforks!
Create a FREE account to view all route reviews and much more.
Trails in Route
| 6 miles | |||||
| 1 mile | |||||
| 2 miles | |||||
| 1 mile | |||||
| 2 miles | |||||
| 1 mile | |||||
| 2,303 ft | |||||
| 2 miles | |||||
| 1 mile | |||||
| 2 miles | |||||
| 2 miles | |||||
| 1 mile | |||||
| 3 miles | |||||
| 2 miles | |||||
| 1 mile | |||||
| 4 miles | |||||
| 2 miles | |||||
| 1 mile | |||||
| 5 miles | |||||
| 2 miles | |||||
| 1 mile | |||||
| 5 miles | |||||
| 2 miles | |||||
| 1 mile | |||||
| 5 miles | |||||
| 4 miles | |||||
| 1 mile | |||||
| 5 miles |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlack Diamond
-
Route TypeOut & Back
-
Bike typeDH
-
DirectionBoth Directions
-
Physical ratingHard
-
Activity Logs
close
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.
- Description
- Photos
- Description & Photos
- Videos
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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
![map legend]()
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
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
Based on selected activity type
Save the current map location and zoom level as your default home location whenever this page is loaded.
Save
Trail transparency
- Singletrack
Photos
Videos
mtb
National | South Mountain in Phoenix, AZ
trail: National
6:02 | 23 | comments: 0 | favs:
Jul 19, 2026
mtb
National Waterfall Lap | South Mountain | Phoenix, AZ
trail: National
9:18 | 62 | comments: 0 | favs:
Mar 14, 2026
Recent Trail Reports Along Route
| status | trail | date | condition | description |
|---|---|---|---|---|
May 5, 2026 @ 8:22am (America/Phoenix) May 5, 2026 | ||||
Nov 28, 2025 @ 2:47pm (America/Phoenix) Nov 28, 2025 | Absolutely Rad | |||
May 7, 2025 @ 8:46am May 7, 2025 | Dry, nice to ride |
- By schillingsworth
TRAILFORKS HTA & contributors - #309 - 9,597 views
Hit the Trail
Download Route
Save to wishlist, Garmin & download.