From Portland (straightest)
Take I-84 E toward The Dalles: 101.4 miles.
Take the US-97 exit, Exit 104, toward Bend. Follow US-97: 8.7 miles.
Take the OR-206 ramp. Turn Left onto OR-206. Follow OR-206: 42 miles.
In Condon, turn right onto South Main Street/OR-19. Follow OR-19: 19 miles into Fossil.
Continue through Fossil on OR-19 another 7 miles to Bear Hollow Park. Look for ABATE signs.

From Portland (twistiest)
Take US-26 through Gresham and Sandy. Follow an additional 45 miles past Sandy.
Turn slight left onto OR-216 eastbound. Follow OR-216 25 miles to Maupin.
In Maupin, immediately after crossing the Deschutes River, turn left onto Bakeoven Road.
Follow Bakeoven Road as it winds up the hill, continue on (mileage unknown).
Bakeoven Road will end at US-97.
Turn left at US-97, continue 3 miles to Shaniko.
In Shaniko, turn right onto OR-218 toward Antelope. Continue 42 miles into Fossil.
In Fossil, turn right onto OR-19. Follow OR-19 7 miles to Bear Hollow Park. Look for ABATE signs.

From Bend
Take US-97 North 78 miles to Shaniko.
In Shaniko, turn right onto OR-218 toward Antelope. Continue 42 miles into Fossil.
In Fossil, turn right onto OR-19. Follow OR-19 7 miles to Bear Hollow Park. Look for ABATE signs.