Black Walnut Trailhead
St. Charles, MO
|
St. Charles County
|
Trail Status: ● Open
|
Alerts & Advisories: (0)
|
Check the Weather
St. Charles, MO
|
St. Charles County
|
Trail Status: ● Open
Alerts & Advisories: (0)
|
Check the Weather
Milepost
30
30
Milepost
6
Things to Do
4
Events
Alerts & Advisories
About Black Walnut Trailhead
The unincorporated community of Black Walnut, settled in as early as 1810, was named for the grove of black walnut trees near the site.
The MKT Railroad arrived in Black Walnut in 1894. A post office operated in the community from 1875 to 1908, and in the early 20th century, there was a depot, icehouse and dozens of homes.
The most notable landmark in Black Walnut was the grain elevator, where operators purchased grain from local farmers and loaded it onto the trains for shipment.
Points of Interest:
MP 26.9 – Machens, the Eastern Terminus of the Katy Trail
Things to Do and See
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Address
Katy Trail
St. Charles, MO
63301
Get Directions and GPS Coordinates
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Phone
Office Phone:
573-449-7402
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Hours
Park Grounds
Sunrise to sunset
View All Hours
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View All Alerts and Advisories
Next on Your Journey
Mileage Calculator
Distance From the Black Walnut Trailhead
Scroll through the trailheads below to calculate the distance from the Black Walnut Trailhead. Click on a trailhead to get details about that trailhead.
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Available Services
Bike Work Station
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Parks Nearby
Alerts & Advisories (28)
Mid-West Section (Mile 143.27999877)
Increased construction in the area due to roadwork. Use caution on Katy Rd and County Rd 391.
East Section (Mile 27)
Open
East Section (Mile 39.59999847)
East Section (Mile 45.75)
Open
East Section (Mile 56)
Open
East Section (Mile 60.70000076)
Mid-East Section (Mile 66.41999816)
Mid-East Section (Mile 74)
Open
Mid-East Section (Mile 77.80000305)
Open
Mid-East Section (Mile 84.88999938)
Open
Mid-East Section (Mile 100.80000305)
Mid-East Section (Mile 115.90000152)
Mid-East Section (Mile 125)
Open
Mid-West Section (Mile 131.19999694)
Mid-West Section (Mile 153.55000305)
Open
Mid-West Section (Mile 169.52000427)
Open
Mid-West Section (Mile 178.33000183)
Open
Mid-West Section (Mile 188.21000671)
Open
Mid-West Section (Mile 191.86999511)
Open
West Section (Mile 227.2599945)
Open
West Section (Mile 239.27999877)
Open
Mid-West Section (Mile 203.38999938)
Open
West Section (Mile 215.44000244)
West Section (Mile 247.80999755)
Open
West Section (Mile 255)
Open
West Section (Mile 264.54998779)
Open
KATY TRAIL STATE PARK — Mile 153.5 to 157.5
Rough surface and mud over trail in some places due to recent flooding. Please slow down and use caution!
KATY TRAIL STATE PARK — Mile 162.0 to 162.1
Please be aware of erosion at Little Bonne Femme Creek - fencing is in place.
All Trailhead Hours
Park Grounds
Sunrise to sunset
2025-2026 State Holidays
On the following days (actual or observed), staff will not be available and park buildings will be closed: Thanksgiving Day; Nov. 28, 2025; Christmas Eve; Christmas Day; New Year’s Eve; New Year’s Day; Martin Luther King Jr. Day; Lincoln’s Birthday; and Washington's Birthday.