Although the significance of this particular place in the life of the Hawaiian people that lived here is largely lost to antiquity and over-shadowed by the prominance of nearby Kailua in the oral history of the kānaka maoli, we know by the enduring remains of the rocks that the land on and around the pōhaku nui was much utilized. Placement of rocks to form walls (nā pā pōhaku) is one clear sign, although we expect that here as elsewhere many ancient walls were disassembled by modern users of the land.

However, it is apparent that large boulders were aligned and stacked along the sides of the ridge between the existing massive rock outcrops to form platforms on which the kua trail now sits. Walls were likely built where needed on both sides of the ridge, but those on the north side have since broken up and the rocks scattered down the slope.

The most massive boulders formed into a man-made wall are found at the east end of the ridge near the ua ana (rain gauge) and best seen from the upper south side trail behind two loulu palms. Other rock walls remain in the village site on the south side of the park. Keep a lookout for grindstones (hoana) that were an important aspect of village life in this part of Kailua as these stones are found scattered around the margins of Kawai Nui.