Mt. Ascension via Lower DeFord and Aftershock Trail
Mt. Ascension via Lower DeFord and Aftershock Trail
2.5
(3)
37
hikers
03:05
10.3km
340m
Hiking
Hike the 6.4-mile Mt. Ascension via Lower DeFord and Aftershock Trail for moderate terrain, Helena Valley views, and 1107 feet of gain.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Way Types & Surfaces
Way Types
5.47 km
4.36 km
467 m
Surfaces
7.26 km
3.03 km
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Elevation
Highest point (1,580 m)
Lowest point (1,320 m)
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Weather
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Today
Saturday 30 May
13°C
9°C
98 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
This hike generally takes around 3 hours and 5 minutes to complete, depending on your pace and how often you stop to enjoy the views.
The route is rated as moderate. While the Lower DeFord Trail section is considered an easy walk, the Aftershock Trail elevates the difficulty with its singletrack nature, roots, rocks, and occasional uneven footing.
You'll experience diverse terrain. The Lower DeFord Trail is a moderate-grade, wide path. As you transition to the Aftershock Trail, it becomes a 'fun singletrack' with roots, rocks, and uneven sections, winding through wooded areas and open meadows. Expect varied surfaces throughout.
Yes, as you gain elevation, the trails offer spectacular views of the surrounding landscapes, including the Helena Valley. Mt. Ascension itself provides significant elevation for panoramic vistas.
Yes, this route is part of the extensive Mount Ascension trail system. The Aftershock Trail specifically connects to the 2006 Trail and the Entertainment Trail, offering multiple loop opportunities. Other official trails along this route include the Archery Range Trail, Easy Rider Trail, and Mt Ascension Loop.
The Mount Ascension trail system is accessible from downtown Helena. While specific parking details for this exact trailhead aren't provided, general access points are available. Check local Helena city resources for detailed parking information near the trailheads.
Information regarding dog policies for this specific trail is not available. It's best to check with local Helena city regulations or park signage for current rules on dogs, including leash requirements, within the Mount Ascension trail system.
The Mount Ascension trail system is popular year-round. However, for the most pleasant hiking conditions, consider visiting during spring or fall to avoid extreme temperatures. Always check current trail conditions before heading out.
The Mount Ascension trail complex is a community gem in Helena, Montana. There are generally no entrance fees or permits required for day hiking on these trails. However, it's always a good idea to check the official Helena city website for any updated regulations or specific requirements: helenamt.gov.
Yes, the Aftershock Trail offers a different experience depending on your direction. It's often described as an easy climb when heading southbound, but provides a fun descent when traveling northbound, featuring a low-angle profile that minimizes the need for excessive braking or navigating numerous switchbacks.
The Mount Ascension trail system is popular among walkers, runners, and bikers. Notably, e-bikes are prohibited on these trails. Always follow Leave No Trace principles and respect all posted signage and regulations within the park.