Guernsey State Park, WY to Deer Park Campground, WY


Buffalo, WY, May 2025

The total drive is about 226 miles.

Driving Directions

  1. (0.0 miles) Drive towards campground exit
  2. (0.1 miles) Left on Skyline Dr
  3. (3.5 miles) Right on Lakeside Drive / WY-317. (Note: Dump station across the street.)
  4. (4.5 miles) Right onto Heartland Expressway / US-26
  5. (18.3 miles) Merge right onto I-25 N / US-26 W / US-87 N towards Casper
  6. (226 miles) Take exit 299, on right, to US-16 E towards Buffalo
  7. (227 miles) Left onto Deer Park Road (Note: gravel road, potholes)
  8. (227 miles) Campground on the left (Note: room to circle build)

Rest Stops

  • 18.2 miles, Rest area on US-26 (just before on ramp to I-25)
  • 37.1 miles, Exit 111, Sinclair Gas Stations (right, small, gravel, not great)
  • 51.9 miles, Exit 126, Orin Rest Area (few pull-thru), Sinclair Gas Stations (right, small, gravel, not great)
  • 61 miles, Exit 135, Stinker Stores Truck Stop (left, gravel back, few pull-thru), Drivers License Department (right, no facilities)
  • 107 miles, Exit 182, Hat Six Travel Center (right, pull-thru), (near: Sonic)
  • 143 miles, Parking area on I-25 (No facilities)
  • 180 miles, Exit 254, Kaycee Rest Area (left/right), Sinclair Gas Station (left, small, gravel), Shell Gas Station (right/right, small, gravel)

General Notes

  • In many places, I-25 N has shoulders wide enough to pull over to use the RV bathroom
  • Deer park had dirt/gravel roads. Drive slow and watch for ruts and potholes.


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