9.0 miles
Distance
1,550 ft
Climb
-1,552 ft
Descent
2 miles
High Point

Fun route with moderate climb, mostly shaded which is a plus in the summer.

Detailed Description
Armstrong to Spiro is a 9 mile popular intermediate route located near Park City Utah. This mountain bike only route can be used one direction and has a moderate overall physical rating. This route includes 14 trails. This route climbs 1,550 ft with a max elevation of 8,403 ft then descends -1,552 ft.

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Trails in Route

Armstrong4 miles
Mid Mountain2 miles
Powerline686 ft
Spiro, Upper3 miles

Details

  • Riding area
  • Primary Activity
    Mountain Bike
  • Difficulty rating
    Blue
  • Route Type
    Loop
  • Bike type
    XC
  • Direction
    One Direction
  • Physical rating
    Moderate
  • Ridelogs
More Stats for Armstrong to Spiro mountain bike route
  • Avg time
    1 hr 33 min
  • Altitude min
    6,965 ft
  • Altitude start
    6,968 ft
  • Altitude end
    6,965 ft
  • Grade
    -0%
  • Grade max
    -48.1%
  • Grade min
    49.8%
  • Distance climb
    5 miles
  • Distance down
    4 miles
  • Distance flat
    1,916 ft
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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)
Trailforks scans users ridelogs 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 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
Contribute Details
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  • Description
  • Photos
  • Description & Photos
  • Videos
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.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
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x Missing Trails
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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
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Keystone // Powerlines // Spiro 4K POV Park...
Keystone // Powerlines // Spiro 4K POV Park City, Utah
25:23 | 190 | comments: 0 | favs:
Aug 21, 2022
Keystone // Powerlines // Spiro 4K POV Park...
Keystone // Powerlines // Spiro 4K POV Park City, Utah
trail: Powerline
25:23 | 69 | comments: 0 | favs:
Aug 21, 2022

Recent Trail Reports Along Route

statustraildateconditiondescription
Spiro, Upper
Nov 4, 2023 @ 1:50pm
Nov 4, 2023
Mud mess, don’t go higher than HAM
Mid Mountain
Oct 16, 2023 @ 8:05am
Oct 16, 2023
Powerline
Oct 7, 2023 @ 11:10am
Oct 7, 2023
riding well, hero dirt
Armstrong
Sep 20, 2023 @ 9:16am
Sep 20, 2023
get out for some spectacular fall colors
more reports »
  • By Amsharp2 & contributors
  • #22851 - 738 views