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United States
Oregon
Marion County

Triangulation Trail #3373

Moderate

2.9

(23)

77

runners

Triangulation Trail #3373

01:04

7.64km

260m

Running

Jog the moderate 4.7-mile Triangulation Trail #3373 in Willamette National Forest for panoramic views and wildflowers.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Mount Jefferson Wilderness

Willamette National Forest

Waypoints

A

Start point

Parking

Get Directions

1

3.48 km

Triangulation Peak

Highlight • Summit

Triangulation Peak reaches up to an elevation of 5,434 feet and offers some of the best views in all of Willamette National Forest. The summit of the mountain is situated …

Tip by

2

3.93 km

Boca Cave

Highlight • Cave

You can find Boca Cave by taking a short spur trail near the summit of Triangulation Peak. The cave offers some pretty cool views from the entrance and is actually …

Tip by

B

7.64 km

End point

Parking

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Way Types & Surfaces

Way Types

7.64 km

Surfaces

7.64 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 (1,630 m)

Lowest point (1,430 m)

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Weather

Powered by Foreca

Wednesday 8 July

27°C

8°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Is Triangulation Trail #3373 currently open?

No, the trail is currently closed due to damage from the 2017 Whitewater Fire and the 2020 Lionshead Fire. It is anticipated to potentially reopen in 2025, but visitors should check official forest service updates before planning a trip.

What is the terrain like on the trail?

The initial 1.5 miles feature gently rolling terrain across a ridge. After this, the path becomes steeper, ascending the northwest slope of Triangulation Peak via several short switchbacks. Sections can be rocky and frequently wet, especially near Wild Cheat Meadow. The unofficial path to Boca Cave is steep and unmaintained.

What are the main points of interest along the route?

The trail offers several notable features, including the panoramic views from Triangulation Peak, the unique Boca Cave with its view of Mount Jefferson, and Wild Cheat Meadow, known for its vibrant wildflower displays in summer. You'll also pass through old-growth forests and may spot Spire Rock, a basalt formation.

Is the trail suitable for jogging?

While the initial 1.5 miles of gently rolling terrain could be suitable for jogging, the subsequent sections become steeper, rocky, and potentially wet with switchbacks. This makes continuous jogging challenging for many, and the overall difficulty is rated as moderate.

Do I need a permit to visit Triangulation Trail #3373?

Yes, a free, self-issue wilderness permit is required for day use between June 15 and October 15. You can typically pick these up at the trailhead. For more details, you can check the official USDA Forest Service website.

When is the best time of year to visit the trail?

Assuming the trail reopens, early summer is ideal for experiencing the abundant wildflowers, especially in Wild Cheat Meadow. The trail also offers excellent panoramic views from Triangulation Peak during clear weather, typically from late spring through early fall.

Where can I park for the trailhead?

Specific parking information for the Triangulation Trail #3373 trailhead is usually available through the Willamette National Forest service. It's advisable to check their official website for current access and parking details once the trail reopens.

Is Triangulation Trail #3373 dog-friendly?

The trail is located within the Willamette National Forest and on the edge of the Mount Jefferson Wilderness. Generally, dogs are allowed on trails in these areas but must be kept on a leash. Always check the latest regulations from the Forest Service before bringing your dog.

Are there any specific regulations for visiting the Willamette National Forest?

Yes, as part of the Willamette National Forest and bordering the Mount Jefferson Wilderness, visitors must adhere to Leave No Trace principles. This includes packing out all trash, staying on marked trails, and respecting wildlife. A self-issue wilderness permit is required for day use between June 15 and October 15. Always check the USDA Forest Service website for the most current regulations and any fire restrictions.

How difficult is it to access Boca Cave?

Accessing Boca Cave is significantly more challenging than the main trail. It involves a steep, unofficial boot path that is unmaintained and descends through dense forest. This section is not recommended for most hikers and is only suitable for those in excellent physical condition with extensive hiking experience.

What kind of views can I expect from Triangulation Peak?

From the summit of Triangulation Peak, you can enjoy breathtaking panoramic views of the Cascade mountain range. On a clear day, you can typically see prominent peaks such as Mount Hood, Three Fingered Jack, Mount Washington, and the Three Sisters.

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