3.6 Miles / 5.8 km
Time to Hike:
1 hour, ~48 minutes
Surface Type:
Frick Park
Pittsburgh, Pennsylvania
40.414614, -79.916271
August 05, 2017
December 18, 2018
77 '

Total Change
313 '

316 '


The Nine Mile Run Trail at Frick Park in Pittsburgh, PA, is an easy 3.6 mile out-and-back hike that leads from Duck Hollow up Nine Mile Run and over to the eastern side of the park.

Parking can be found in Duck Hollow at the Duck Hollow Trail Parking area. This parking lot serves Frick Park, the Three Rivers Heritage Trail, the Steel Valley Heritage Trail, and the Duck Hollow Trail.

History: In 1922, the Duquesne Slag Company bought land along Nine Mile Run and dumped slag into the valley for 50 years via a railroad track above the creek. About 200 million tons were dumped alongside the banks, which reached ten stories deep.

Starting in 2006, with the help of the US Army Corps of Engineers and the Nine Mile Run Watershed Association, the restoration of Nine Mile Run began and continues to this day. It's the largest restoration of its kind in an urban area in the country.

Nine Mile Run's wetlands naturally filter runoff and the surrounding trees are as vibrant as anywhere else in the city. Walking along Nine Mile Run, without previously knowing its history, you'd have no idea the area used to be a slag dump. You can hike the Nine Mile Run Trail all the way to where the run meets the Monongahela River and the trailhead for the Duck Hollow Trail.

Explore 223 trails near Pittsburgh, PA
  1. Parking

    40.414614, -79.916271
  2. Main Trailhead

    40.415525, -79.917214
  3. Just before the I-376 PA-22 bridge

    40.424656, -79.905708
    Just before the I-376 PA-22 bridge
  4. View of Nine Mile Run

    40.426375, -79.905158
    View of Nine Mile Run
  5. View of Nine Mile Run

    40.4273, -79.899217
    View of Nine Mile Run
  6. Bridge over Nine Mile Run

    40.419669, -79.912894
    Bridge over Nine Mile Run
  7. Nine Mile Run from above the footbridge

    40.419656, -79.912728
    Nine Mile Run from above the footbridge
  8. Cliffsides along the trail

    40.423344, -79.908614
    Cliffsides along the trail
Explore other routes for this Trail guide, added by the MyHikes' community via Trip Reports. To add your own hike as a Community Route for this Trail guide, leave a Trip Report with an attached GPX file.


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Trail Guide By:
Admin user profile picture
3.6 miles / 5.8 km
Trail added
August 05, 2017
Hiked on
August 05, 2017
Updated on
December 18, 2018
1.26 miles / 2.0 km
July 25, 2019
1.4 miles / 2.3 km
July 25, 2019
3.6 miles / 5.8 km
August 05, 2017

Weather Forecast

In Pittsburgh, PA

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