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United States
Oregon
Deschutes County
Deschutes County
Sunriver

Black Rock and Sun-Lava Trail Loop

Hard

4.6

(4557)

10,066

hikers

Black Rock and Sun-Lava Trail Loop

05:38

21.7km

140m

Hiking

Hike the Black Rock and Sun-Lava Trail Loop, a difficult 13.5-mile route through volcanic landscapes and pine forests in Oregon.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Deschutes National Forest

Waypoints

A

Start point

Get Directions

1

492 m

Sun Lava Trailhead

Highlight • Trail

The Sun Lava Trailhead in Bend, OR, serves as a gateway to the Deschutes National Forest. It provides access to the Sun-Lava paved path, a 5.5-mile multi-use trail that connects …

Tip by

2

8.91 km

Lava Lands is one part of the gigantic Newberry Volcanic Monument around the Newberry Caldera. There are some nice, short trails that take you deeper into the moonlike lava landscape …

Tip by

3

17.0 km

Deschutes River

Highlight • River

Old-growth Ponderosa pines and several picnic tables surround this serene spot. It is the Benham Falls Takeout where boaters come out of the river above the class 5 rapids of …

Tip by

B

21.7 km

End point

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Way Types & Surfaces

Way Types

9.45 km

6.68 km

4.29 km

869 m

410 m

Surfaces

11.0 km

9.41 km

815 m

414 m

< 100 m

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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 (1,370 m)

Lowest point (1,270 m)

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Weather

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Today

Wednesday 27 May

19°C

6°C

23 %

Additional weather tips

Max wind speed: 29.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike this loop?

The Black Rock and Sun-Lava Trail Loop is approximately 21.7 km (13.5 miles) long. Komoot estimates the hiking time to be around 5 hours and 38 minutes, but this can vary depending on your pace and how much time you spend enjoying the views.

What is the terrain like on the Black Rock and Sun-Lava Trail Loop?

The loop offers a diverse experience. The Black Rock Trail is a singletrack path winding through ponderosa pines and alongside ancient lava flows, featuring some technical sections with lava rock. In contrast, the Sun-Lava Trail is a well-maintained paved path that also traverses pine forests and lava fields. You'll encounter a rolling landscape with some mild hills, particularly a gradual uphill climb on the return leg from Benham Falls.

Is the trail suitable for beginners or families with young children?

While the Komoot difficulty rating is 'difficult' due to its length, the individual trails have varying difficulties. The Black Rock Trail has some technical lava rock sections, and the Sun-Lava Trail involves a sustained gradual uphill on the return. For beginners or families, consider hiking shorter sections of the paved Sun-Lava Trail, which is generally easier. The full loop might be challenging for those new to hiking or with very young children.

Where can I park and access the trailhead?

The loop is typically accessed near the Sun Lava Trailhead, which is located close to the Lava Lands Visitor Center in Bend, Oregon. Parking is available at the visitor center.

Are dogs allowed on the Black Rock and Sun-Lava Trail Loop?

Yes, dogs are generally allowed on this trail. However, it's crucial to keep them on a leash at all times to protect wildlife and ensure the safety of other hikers. Be mindful of the sharp lava rock sections, which can be tough on paws, and always pack out any waste.

What is the best time of year to hike this loop?

Spring and fall are often considered the best times to hike this loop, offering pleasant temperatures and beautiful scenery. Summer can be very hot, especially on exposed lava fields, so an early start is recommended. Winter hiking is possible, but be prepared for snow and ice, particularly on the unpaved sections.

What notable sights or landmarks will I see along the route?

You'll experience incredible views of ancient lava flows and ponderosa pine forests. Key highlights include the Newberry Volcanic Monument: Lava Lands, where Apollo astronauts once trained. The trail also leads to Benham Falls, a beautiful spot along the Deschutes River with whitewater rapids, accessible via a short spur. From various viewpoints, you can enjoy expansive vistas of the Cascade Mountain Range, including peaks like Mount Bachelor.

Do I need a permit or is there an entrance fee for the Newberry National Volcanic Monument?

Yes, the Black Rock and Sun-Lava Trail Loop is located within the Newberry National Volcanic Monument. There is typically an entrance fee required to access the monument, which can be paid at the Lava Lands Visitor Center. Passes like the America the Beautiful pass are often accepted. It's always a good idea to check the official U.S. Forest Service website for the most current fee information and any specific regulations.

Does this trail intersect with other well-known paths?

Yes, the route incorporates sections of several other trails. You'll spend significant time on the Black Rock #3935 and the Sun-Lava Trail #3940. Additionally, the loop briefly passes through parts of the Deschutes River Trail and the Lava-Benham Trail.

What should I bring for a hike on this loop?

Given the length and varied terrain, it's essential to bring plenty of water, especially during warmer months, as there are no water sources on the trail itself. Wear sturdy hiking shoes suitable for both paved and rocky surfaces. Sun protection (hat, sunscreen) is crucial due to exposed sections, and layers are recommended for changing weather. A map or GPS device is also advisable.

Are there any strategic tips for hiking this loop?

For a slightly easier experience on the return, consider starting your hike from the Lava Lands Visitor Center and heading towards Benham Falls first. The journey to Benham Falls on the Sun-Lava Trail is often gently downhill, meaning the sustained gradual uphill climb will be on your way back to the visitor center, which can be a good way to finish your hike.

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