From Wenatchee, WA, travel north on US-97A (west side of Columbia River) for 14.4 miles to Entiat, WA. Just after the bridge turn left onto Entiat River Road (County Road #19) and travel north 9.5 miles to the community of Ardenvoir, WA. Go beyond the general store and turn left on Mad River Road / Forest Road 5700 and travel 4 miles to Pine Flats Campground where the Lower Mad River Trailhead begins.

From Chelan, WA, travel south on US-97A (west side of Columbia River) for 19.3 miles to Entiat, WA. Just before the bridge turn right onto Entiat River Road (County Road #19) and travel north 9.5 miles to the community of Ardenvoir, WA. Go beyond the general store and turn left on Mad River Road / Forest Road 5700 and travel 4 miles to Pine Flats Campground where the Lower Mad River Trailhead begins.