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Hiking trails & Routes
United States
California
Del Norte County
Smith River National Recreation Area

Boundary Trail

Hard

2.9

(4)

72

hikers

Boundary Trail

05:05

16.1km

670m

Hiking

Embark on the Boundary Trail, a difficult 10.0-mile (16.1 km) hike that promises a rewarding experience for seasoned adventurers. You will gain 2187 feet (667 metres) over an estimated 5 hours and 5 minutes as you traverse ancient old-growth forests filled with Douglas fir, Incense cedar, and Sugar pine. As…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Siskiyou Wilderness

Waypoints

A

Start point

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1

8.04 km

Boundary Trail

Highlight (Segment) • Trail

The Boundary Trail is a steep out-and-back route that brings hikers to a highest point of 5,150 feet above sea level and offers stunning views, solitude, and vibrant wildflowers in …

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16.1 km

End point

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Way Types & Surfaces

Way Types

16.1 km

Surfaces

16.1 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,570 m)

Lowest point (1,310 m)

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Weather

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Today

Wednesday 15 July

23°C

12°C

0 %

Additional weather tips

Max wind speed: 11.0 km/h

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Frequently Asked Questions

How long does it take to hike the Boundary Trail?

The Boundary Trail is approximately 16.1 kilometers (10 miles) long and typically takes around 5 hours and 6 minutes to complete. This duration can vary based on your pace, breaks, and trail conditions.

What is the difficulty level of this trail?

This route is rated as difficult. It features significant elevation changes, with an ascent of approximately 667 meters (2,188 feet) and a similar descent. Hikers should be prepared for challenging terrain and sustained climbs.

What is the terrain like on the Boundary Trail in Siskiyou Wilderness?

The trail traverses varied terrain typical of the Siskiyou Wilderness, which often includes rugged, forested paths, and potentially rocky or uneven surfaces. Given its 'difficult' rating, expect sections with steep grades and possibly some exposed areas offering expansive views.

Are dogs allowed on the Boundary Trail?

Yes, dogs are generally allowed on trails within the Siskiyou Wilderness. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users.

Do I need a permit or pay an entrance fee for the Siskiyou Wilderness?

The Siskiyou Wilderness, managed by the U.S. Forest Service, typically does not require permits for day hiking. However, specific regulations may apply for overnight stays or certain activities. It's always best to check the USDA Forest Service website for the most current information regarding permits and regulations before your visit.

What is the best time of year to hike the Boundary Trail?

The best time to hike this trail is typically from late spring through early fall (May to October) when the weather is generally milder and snow has melted from higher elevations. Autumn offers beautiful foliage and fewer insects, while spring brings wildflowers. Always check current weather and trail conditions before heading out.

Where does the Boundary Trail start, and is there parking available?

The Boundary Trail is a named highlight along this route. Specific trailhead access and parking details can vary. It's recommended to consult detailed maps or local ranger stations for precise starting points and parking availability for the Boundary Trail within the Siskiyou Wilderness.

What can I see along the route?

The primary point of interest along this route is the Boundary Trail itself, which offers a deep immersion into the Siskiyou Wilderness. Expect diverse forest ecosystems, potential views of surrounding peaks, and the rugged beauty characteristic of this remote area.

Does the trail intersect other well-known paths?

Yes, the route primarily follows the Boundary Trail (100% of the route). It also briefly passes through sections of the Boundary Trail 4E50 (4%) and Elk Valley Road (3%).

What should I bring for a hike on this difficult trail?

Given its 'difficult' rating and length, you should bring sturdy hiking boots, plenty of water, high-energy snacks, navigation tools (map, compass, or GPS), appropriate layers of clothing for changing weather, rain gear, a first-aid kit, and sun protection. Hiking poles can also be very helpful on steep or uneven sections.

Are there any loop options for the Boundary Trail?

This specific Komoot route for the Boundary Trail is an out-and-back hike. While some 'Boundary Trails' in other regions offer loop options, this particular route is designed as a linear path. You can, however, turn back at any point to adjust the length of your hike.

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