top of page


MammothMarch Oregon event details


Silver Falls State Park – South Falls Day Use Area, Silverton, OR 97381
Please note: The Park fees are already included in your ticket; do not pay anything and do not print out a parking ticket, just follow directions to the SOUTH FALLS DAY USE AREA (detailed directions in our
Participant Guide).

Website_Oregon 24 sold out.jpg

Nestled in the foothills of Oregon’s Cascade Mountains, Silver Falls State Park is a standout scenic treasure that features 10 impressive waterfalls and a dense forested landscape.


Located just 90 minutes south of Portland and 30 minutes east of the State’s capital, Salem, MammothMarch Oregon makes for the picture-perfect hiking getaway.​

Location & venue (start/finish): South Falls Day Use Area at Silver Falls State Park, Silver Falls Hwy SE, Silverton, OR 97381

At a glance


Date: Saturday, March 23, 2024, 7:30 am


Distance: 20 miles in 8 hours
There is no timekeeping, there are no failures, we only recognize the incredible courage it takes to rise to our challenge. Every participant completing the distance will be awarded their finisher medal and considered a winner!

Dogs: Dogs are not allowed at Silver Falls State Park. Unlike other MammothMarch events, your furry friend has to skip this one.


Starting time: You can choose from several time slots as early as 7:30 am with limited capacity when signing up. This ensures the most remote hiking experience as a maximum of 5 hikers will cross the starting line at the same time. The first ones will head out between 7:30 – 7:45 a.m. with the majority coming back in just about 8 hours. However, we will have our finish line open for the ones that need a bit more time.

Parking: Complimentary parking will be available on site.

Merchandise: Our merchandise collection is available right here. Make sure to pre-order your favorite merch for a hassle-free pick up on the day of the event. We will also sell merchandise on site (while stocks last).

Aid/refreshment stations: There are water stops and aid stations along the route (approximately positioned every 5-7 miles apart) providing toilets, food and drinks for all participants. These refreshments are included in the cost of your ticket and vary between each station, offering water, energy drinks, electrolytes, fruits, cereal/protein bars, sandwiches and more.

Accommodation: The Smith Creek Village, right inside Silver Falls State Park, has a few lodging options left. Call their reservation (503.894.7533) and ask for Victoria or Shaylee, and mention that you are a MammothMarch participant.

Certificates: All finishers will receive their personalized certificate after crossing the finish line. For the ones who drop out, we will issue certificates stating the mileage covered.

Finisher medal/wall of fame: For all participants finishing MammothMarch.


Route: The single-circuit loop covers 20 miles of scenic trails inside Oregon’s biggest State Park, featuring trails such as Canyon Trail, Perimeter Trail, Ten Falls Trail, Buck Mountain Loop. The final route will be made available for download around 2 weeks prior to the event.

Total elevation gain: Around 2,800 ft.

Terrain: Mainly unpaved hiking trails, dirt trails, gravel roads, forest floor

What are you waiting for? Sign up here to enter not your average hike.

Please check out more details in our FAQ section or contact us

The route will be made available for download, including GPS coordinates prior to the event. Please note that the route is preliminary and may be adjusted due to weather issues, official directives and/or organizational matters. The route will be marked 1-2 days prior to event day. Should we notice parts of the route being inaccessible, extremely wet/muddy we will of course adapt it to local conditions at short notice.

REIGN_Storm_Vertical_Logo_Dark (1).png
FLow electrolytes.png
bottom of page