Castle Mountain
12,605 ft | 1 trails | Montana
12,605 ft
1 routes
Strenuous
About Castle Mountain
Castle Mountain rises to 12,605 feet in Montana. The Castle Mountain Trail is a 8.0-mile hike with about 3,113 feet of elevation gain. Nearby peaks include Castle Rock Mountain, Sundance Mountain and Bowback Mountain. Trail data is sourced from OpenStreetMap contributors (ODbL); verify current conditions with the official land manager before you go.
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Check Current Conditions
Trail conditions change frequently. Check the official land manager's site (linked under Data Sources on this page) and the NWS forecast before your hike.
Frequently Asked Questions
How long does it take to hike Castle Mountain?
Hiking time varies by trail and fitness level. Most popular routes take 4-8 hours round trip. Check individual trail descriptions for specific estimates.
Is Castle Mountain hard to hike?
Difficulty varies by route. There are options ranging from moderate to strenuous. Beginners should start with easier trails and work up to more challenging routes.
Do I need a permit to hike Castle Mountain?
Most trails don't require permits for day hiking. Some trailheads may require a parking pass or fee. Check current regulations before your visit.
Safety Information
Current Hazards
- Afternoon thunderstorms
- Dehydration risk
- UV exposure above treeline
Turn-Around Time
1:00 PM (2:00 PM summer)
Plan to reach the summit by this time to allow safe descent before dark.
Essential Gear Checklist
* Critical items - do not hike without these
Emergency Contacts
Nearby Peaks
Explore other mountains near Castle Mountain. Great for peak-bagging or planning your next adventure.
Sundance Mountain
12,231 ft
Bowback Mountain
12,290 ft
Whitetail Peak
12,536 ft
Peak Bagging Tip
Sundance Mountain is only 1.2 miles away. Consider combining these peaks for a bigger day or overnight trip!