Click here to register. From the website:
The 2015 Alpine Bank Colorado River Cleanup presented by the Middle Colorado Watershed Council is happening on Saturday, September 26th at Grand River Park in New Castle, Colorado. Come join us to help restore this beatiful 6-mile strech of river between South Canyon and New Castle. The Day will begin with registration at 8:30am at Grand River Park, then volunteers will venture out to remove trash and debris from the banks and river channel. The day will conclude with a barbeque lunch at the park in New Castle. Pre-registration is required.
Saturday, September 26, 2015 from 8:30 AM to 1:00 PM (MDT)
Grand River Park – Park Drive New Castle, CO 81647