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  • Visiting the Gateway Arch: Enter the monument through the Gateway Arch Visitor Center, which faces Fourth Street and the Old Courthouse. The Gateway Arch legs are exits only. Please allow at least 30 minutes to go through security. Tickets sell out early and often, advance reservations are strongly recommended. Pending availability, additional tickets may be available for same-day purchase beginning at 9am each day through our website, call center, and ticket center at the Gateway Arch. Same-day ticket availability is not guaranteed and sells out early and often.

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A group of about 2 dozen volunteers stand for a photo in front of the Mississippi River on the Gateway Arch National Park grounds with trash bags and pickers, ready to collect trash and clean up the St. Louis riverfront.
September 23, 2023 @ 11:00 am - 1:00 pm
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St. Louis Riverfront Cleanup

Join our St. Louis Riverfront Cleanups hosted by Gateway Arch National Park and Gateway Arch Park Foundation

Recruit friends and family to help clean up the St. Louis Riverfront! This event is organized by Gateway Arch National Park, Gateway Arch Park Foundation, Missouri River Cities & Towns Initiative, Beyond Plastics, Missouri Stream Team, Republic Services and Living Lands & Waters. All volunteers will receive materials needed to stay safe during the clean-up and be entered to win a drawing for prizes from partners.

Location: St. Louis Riverfront at Gateway Arch National Park

Date/Time: Saturday, Sept. 23rd from 11 a.m. to 1 p.m.

Link to volunteer: