gis support for trail planning

1. Jeff Orlowski
Intermountain Region
Geographic Resources Division
303-969-2962
Jeffrey_Orlowski@nps.gov
Petroglyph National Monument
GIS support for trail
planning

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Overview
 Creating Trail Data
 Digitizing from
aerial imagery
 Strava user data
 Determining Best
Routes
 Public Meetings
 Strava heat maps
 Next Steps
 Cost path analysis
 Project Background

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Petroglyph National Monument
 Located in Albuquerque, New Mexico
 Over 30,000 petroglyphs
 Sacred site for Native Americans and Spanish descendants
 Monument includes 3 volcanoes and a 17-mile volcanic
escarpment

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Creating Trail GIS Data
 Digitizing from Aerial
Imagery
 based on imagery
from 2014
 created about 100
miles of trail
 works well since
trails are clearly
visible
 time consuming, but
more efficient than
GPSing the trails

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What is Strava?
 Strava- GPS app for running, cycling, and walking
 Data prep for Strava
 Strava Metro anonymizes the data and applies it to a trail
network to show usage patterns
 helped identify an additional 40 miles of trail
 shows average wait times at trail intersections
 highlights popular areas

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Strava – helpful links
 Strava- https://www.strava.com/
 Strava Metro- http://metro.strava.com/
 Strava Heat Map- http://labs.strava.com/heatmap
 Strava Heat Map for Petroglyph NM-
http://metro-
static.strava.com/dataViewV1/petroglyph/petroglyp
h16Q2.html

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Next Steps
 Cost Path analysis
 Study future trail use via Strava
 Monitor trail conditions

15. Jeff Orlowski
Intermountain Region
Geographic Resources
Division
303-969-2962
Jeffrey_orlowski@nps.gov
NPS Geographic
Resources Division
Questions?