Contact Us

HOW TO REACH US...
Open Space and Trails administrative staff members are working remotely, with access to email and messages left on their office phones. A staff directory is posted below. Please feel free to reach us via phone or email. Rangers continue to be available on our trails and properties.

The OST office is currently closed to public access.

PITKIN COUNTY OPEN SPACE AND TRAILS
530 E. Main St., Suite 202
Aspen CO 81611

Phone: 970-920-5232
Send us an email

OFFICE HOURS (currently suspended)
Monday-Friday
(Excluding holidays)
8 a.m. to 4:30 PM

NEED A RANGER?
Call 970-920-5399
For emergencies, call 9-1-1

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Gary Tennenbaum 2014
Gary Tennenbaum - Director
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STAFF DIRECTORY

NAME EMAIL PHONE
Gary Tennenbaum, director 970-920-5355             
Dale Will, acquisition and special projects director dale.will@pitkincounty.com 970-920-5203
Paul Holsinger, agriculture and conservation easement administrator paul.holsinger@pitkincounty.com 970-920-5237
Lindsey Utter, planning and outreach manager lindsey.utter@pitkincounty.com 970-920-5224
Jessie Young, senior planner jessie.young@pitkincounty.com 970-429-6169
Liza Mitchell, natural resource planner and ecologist liza.mitchell@pitkincounty.com 970-429-2796
Ted O'Brien, resource and trails manager ted.obrien@pitkincounty.com 970-429-6130
Pryce Hadley, ranger supervisor
pryce.hadley@pitkincounty.com
970-920-5399
Rick Norman, lead ranger rick.norman@pitkincounty.com 970-920-5399
Ryan Quinn, ranger ryan.quinn@pitkincounty.com 970-920-5399
Bill Griggers, operations supervisor bill.griggers@pitkincounty.com
Kim Arensdorf, administrative specialist kim.arensdorf@pitkincounty.com 970-920-5232 
Janet Urquhart, stewardship and outreach coordinator janet.urquhart@pitkincounty.com 970-920-5223