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Marcus Landslide Hike


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Full Day - Sunday April 14 - CANCELED


Marcus Landslide Hike
Date: Sunday, April 14
Time: 8:00 a.m. – 2:00 p.m.
Location: Scottsdale McDowell Sonoran Preserve – Tom’s Thumb Trailhead
Cost: $57 (includes lunch)


photo of two rounded rocks leaning together

a rock formation known as the “Leaning Mushroom,” characteristic of
the natural weathering of granite in the northern McDowell Mountains


The hike will begin at the picturesque Tom’s Thumb Trailhead on the northern slope of the McDowell Mountains, and expose hikers to the rich natural history of the area. The hike on the Marcus Landslide Interpretive Trail, will immerse attendees in the rich geologic history of the McDowell Mountains and the second largest landslide in Arizona. This captivating interpretive trail was developed through a partnership between City of Scottsdale, McDowell Sonoran Conservancy, Arizona State University, Paradise Valley Community College, and Arizona Geologic Survey.

Participants will learn the overall history of the area and how it was initially slated to be a resort/residential development, and how the community came together to advocate for the land to be preserved, for the construction of the Lost Dog Wash Trailhead, and the trails in the area, which now all provide recreational access to the lands that the public taxed themselves to protect. In addition, hikers will learn about the coordination efforts between the City of Scottsdale and Maricopa County regarding trail connections across their shared boundary lines.

Length and Difficulty

The Marcus Landslide Interpretive Trail is a four-mile round trip with an elevation change of 280 vertical feet, and is rated as a moderate hike.


Dan Gruber, McDowell Sonoran Conservancy; Brian Gootee, AZ Geologic Survey; Scott Hamilton, City of Scottsdale.

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Thank You Symposium Sponsors!




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