National Acid Deposition Site

a photo of  a national Acid Deposition Site
The park's National Acid Deposition network site at Loch Vale. An employee or volunteer visits the site every Tuesday to remove the week's sample for analysis.

Photo courtesy of Lyle and Marlys Polson.

Last updated: March 31, 2012

Contact the Park

Mailing Address:

1000 US Hwy 36
Estes Park, CO 80517


(970) 586-1206
Through winter, the Information Office is open 8:00 am–4:30 pm Mon–Fri. Recorded Trail Ridge Road status: (970) 586-1222.

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