The best running trails around Altona
4.5
(11)
3,227
runners
94
runs
Last updated: October 23, 2025
10
runners
1. Left Hand loop — Boulder Valley Ranch
14.2km
01:29
80m
80m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
26
runners
2. Running loop from Lyons
21.2km
02:39
440m
440m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Sign up for free
18
runners
3. Running loop from Niwot
17.6km
01:57
150m
150m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
runners
4. Left Hand Trail – Boulder Valley Ranch Trailhead loop from Niwot
9.05km
00:56
40m
40m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
runners
5. Running loop from Niwot
7.78km
00:53
40m
40m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Most popular attractions around Altona
Get inspired with the komoot mobile app
Explore more
Browse the best Running Trails & Routes in other regions.
Get ready to conquer new peaks
Sign up for Free