WAHPENAYO PEAK, WASHINGTON. USGS 24K Quad Topographic 7.5 min x 7.5 min map. The SE corner of the map is at Latitude 46° 37' 30" N and Longitude 121° 45' 00" W. These are high resolution scans printed when you order on high quality 24# mapping paper. Size is approximately 22 x 29 inches. Prints are shipped ASAP and your satisfaction is guaranteed; used by hunters, hikers and sportsmen for over 50 years