Patapsco Valley State Park

Patapsco Valley State Park Alerts

Trail Run - Avalon Area - Patapsco 50k

October 21st (rain date 22nd)

Trail users, please be advised that a foot race will be occurring on October 21st 2023. This race will be all day event and stay mainly within the Avalon area but will also go into the Hilton area of Patapsco Valley State Park. See map below for reference. The race is a 25k loop that may be ran twice depending on length selected by participant. You may want to consider one of our many other beautiful trails within Patapsco Valley State Park during this event.

Click Map for Larger View


ALERT - Posted 6/3/2021 - The water quality of the Patapsco River can fluctuate frequently due to a variety of environmental factors. It is recommended that visitors check on the water quality prior to recreating in the river.

To check the water quality of the Patapsco River, please go to