more stats
4,288 ft
Distance
3 ft
Climb
-108 ft
Descent
00:05:53
Avg time
-106 ft
Altitude change
6,611 ft
Altitude min
6,717 ft
Altitude max
6,717 ft
Altitude start
6,611 ft
Altitude end
-2.5%
Grade
-15.1%
Grade max
2.6%
Grade min
322 ft
Distance climb
3,825 ft
Distance down
144 ft
Distance flat
00:05:53
Avg time

Lower Fireline Details

  • Activities
    • Mountain Bike
  • Riding Area
    Los Alamos
    , New Mexico
  • AKA
    Sandy Speedway
  • Difficulty Rating
    Green Rate
  • Local Popularity
    45 in Mountain Biking
  • Global Ranking
    #263719 in Mountain Biking
  • State Ranking
    #1,650 in Mountain Biking · New Mexico
  • Trail Type
    Singletrack
  • Direction
    Both Directions
    Popular Direction Shown
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes

Lower Fireline is usually ridden as a downhill extension to Fireline. However the south facing side of the canyon is much sandier and the trail tends to be overgrown with weeds and cheat grass. It tends to be straight, sandy, and boring, but it's arguably more fun than riding down the 2 track. The trail is very beginner friendly.

Tags
Sandy
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 5 rides
  • 16 miles avg distance
All
  • 17 rides
  • Last: Sep 7, 2026
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Lower Fireline Trail Reports

statusdatedescription
Apr 15, 2026 @ 4:02pm (America/Denver)
Apr 15, 2026
Apr 15, 2023 @ 10:07pm
Apr 15, 2023
 Sandy
Dec 17, 2019 @ 8:26pm
Dec 17, 2019
 Bike Park closed for the season, see you in 2020 :)
Jul 16, 2019 @ 6:15am
Jul 16, 2019
 Weeds are very tall. Going to be calling this portion of the trail weed whacker.
more »
Status:
on Apr 15, 2026
Very Dry
no votes yet
Your vote: 0

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      Directions to lower-fireline trailhead (35.892510, -106.255930)
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      Nearby Trails

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      Frequently Asked Questions

      ▼ Where is Lower Fireline located?
      Lower Fireline is located in Los Alamos, New Mexico, United States. It is part of the Los Alamos trail network. The trailhead is located at coordinates 35.89251, -106.25593.
      ▼ How hard is Lower Fireline?
      Lower Fireline is rated as Green difficulty. The physical rating is Moderate. The average grade is 2.5%. The climb difficulty is rated Blue.
      ▼ What is the elevation gain for Lower Fireline?
      Lower Fireline has 3 ft of elevation gain. The trail has 108 ft of elevation descent. The elevation ranges from 6,611 ft to 6,717 ft.
      ▼ Is Lower Fireline a point to point trail?
      Lower Fireline is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Lower Fireline?
      Lower Fireline is 4,288 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Lower Fireline?
      Yes, dogs are allowed on Lower Fireline. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access Lower Fireline? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Lower Fireline are: View all parking locations in the area.
      ▼ How long does it take to ride Lower Fireline?
      Based on recorded activities, it takes an average of 4 minutes to ride Lower Fireline. The trail is 4,288 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Lower Fireline?
      Lower Fireline is a moderately popular trail. There have been 73 recorded activities on this trail. The trail has received 65 check-ins. View recent activity on this trail.

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