Johnston · Polk County · IA
Pump Track Loop is a 1.2-mile trail near Johnston, in Polk County, IA. It climbs 9 ft and descends 9 ft, between 797 ft and a high point of 805 ft. Mapped for hiking.
All Polk County trailsPolk County hikingIA trails
Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-26. Open the interactive map for routing, weather, and offline use.