4.7
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Volcano hiking trails in Linn County, Oregon, traverse a landscape shaped by ancient volcanic activity, offering diverse terrain for outdoor enthusiasts. The region features dense, verdant forests, pristine wilderness, and significant portions of the Willamette National Forest and Mount Jefferson Wilderness. Hikers can explore areas with lava fields, high-elevation mountain environments, and striking natural features. This varied topography provides a range of experiences, from moderate paths to challenging ascents.
Last updated: April 24, 2026
6
hikers
22.8km
06:48
730m
720m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
2
hikers
14.3km
04:13
420m
420m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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9
hikers
19.3km
05:29
420m
420m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Four conjoined cinder cones create a high ridge overlooking a volcanic plain - cool geology and sweeping views!
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A particularly gorgeous section of trail - worth the miles!
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The lava flows and cones in this area feel otherworldly. Views of North and Middle Sister are an added bonus.
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South Matthieu Lake is much smaller than the north. It offers fantastic views of the North and Middle Sister to the south, surrounded by a beautiful alpine setting. If you want to extend your run, it is the last reliable water source for at least 15 miles northbound, or you can continue on the PCT, where the next water source is another few miles further.
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The small crystal clear lake is an excellent place to stop and take memorable photos. The lakeshore is heavily wooded, with rainbow trout regularly stocked by the State of Oregon, which is a draw for anglers. Water flows in and out of the lake under the porous lava soil.
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Four-In-One Cone, a remarkable formation, unites four distinct cinder cones into a .4-mile-long ridge. Captain Felix Scott's 1862 trailblazing journey inspired this hike along the Scott Trail, leading to a captivating viewpoint atop the crater rim.
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At this point, you enter the magical Three Sisters Wilderness with a vast lava landscape. To hike or camp in the wilderness, you need to obtain a Central Cascades Wilderness permit for day-use or overnight. It can be obtained here: https://www.recreation.gov/camping/gateways/14492.
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The small crystal clear lake is an excellent place to stop and take memorable photos. The lakeshore is heavily wooded, with rainbow trout regularly stocked by the State of Oregon, which is a draw for anglers. Water flows in and out of the lake under the porous lava soil.
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Linn County's landscape is rich with evidence of its volcanic past. You can expect to encounter dramatic lava fields, ancient volcanic cones, and craters. Notable features include the lava fields near Clear Lake and the volcanic formations around areas like Little Belknap Crater. These geological wonders create unique and rugged terrain for hiking.
Yes, Linn County offers several challenging volcano hikes for experienced adventurers. For instance, the Scott and Obsidian Trail loop is a difficult 22.8 km route with over 700 meters of elevation gain, traversing rugged volcanic landscapes. Another demanding option is the South Matthieu Lake – Yapoah Crater loop from Lava Camp Lake, covering 19.3 km with significant elevation changes.
For a moderate challenge, consider the Four in One Cone via Scott Trail. This 14.3 km hike features over 400 meters of ascent, offering a rewarding experience through volcanic terrain without the extreme difficulty of some longer routes.
Many volcano trails offer access to stunning natural landmarks. You can visit the McKenzie Pass Summit & Dee Wright Observatory for panoramic views, or discover the vibrant Tamolitch Blue Pool. The Little Belknap Crater itself is a significant volcanic feature, and you might also encounter the impressive Sahalie Falls or the unique Basalt Formations and Soda Spring at Cascadia State Park.
The best time to hike volcanic areas in Linn County is generally during the late spring, summer, and early fall months. From June to October, the weather is typically drier and more stable, and trails are clear of snow, especially at higher elevations. Summer also brings vibrant wildflower displays to some mountainous areas like Iron Mountain, enhancing the scenic beauty.
While many volcano trails in Linn County can be quite rugged, some sections or nearby trails offer more family-friendly options. The region features diverse trails, from easy riverside walks to more strenuous mountain ascents. For specific family-friendly options, look for routes with minimal elevation gain and shorter distances, often found around lakes like Clear Lake or along the McKenzie River.
Many trails in Linn County, especially within the Willamette National Forest and Mount Jefferson Wilderness, are dog-friendly, but regulations can vary. Always check specific trail rules and wilderness area guidelines before heading out. Generally, dogs should be kept on a leash to protect wildlife and ensure a pleasant experience for all hikers.
The komoot community highly rates the hiking experiences in Linn County, with an average score of 4.7 stars from nearly 50 reviews. Hikers often praise the stunning volcanic landscapes, the immersive experience of dense forests, and the breathtaking panoramic views from higher elevations. The diverse terrain and geological wonders are frequently highlighted as major draws.
For volcano hikes in Linn County, it's essential to wear sturdy hiking boots with good ankle support, as the terrain can be uneven and rocky due to lava fields. Layered clothing is recommended to adapt to changing weather conditions, as temperatures can vary significantly, especially at higher altitudes. Don't forget sun protection, a hat, and plenty of water.
Yes, Linn County offers several loop trails that allow you to experience diverse volcanic landscapes. The Scott and Obsidian Trail loop and the South Matthieu Lake – Yapoah Crater loop from Lava Camp Lake are excellent examples of challenging circular routes that immerse you in the region's unique volcanic geology.
Parking for volcano hikes in Linn County is typically available at designated trailheads within the Willamette National Forest and Mount Jefferson Wilderness. Some popular trailheads, especially those leading to significant volcanic features, may require a recreation pass (such as a Northwest Forest Pass or America the Beautiful Pass). Always check specific trailhead information for parking availability and permit requirements before your visit.


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