Someone posted a topic about where the most challenging airstrips are, a little while back.
I found a great one.
Upper Paauau Airstrip. 40 mi. SW of Kona Int'l, Keahoe.
N19-13.58' / W155-32.52'
Alt. 2,598 ft.
Approach heading, 315 degrees. (Unless you're really good).
Good luck.