Located at the intersection of Marion Canyon and N. Wilderness Trail on the Chalone Creek bed. The N. Wilderness Trail runs along the south boundary of the park and cuts through the SW section. Pinus sabiniana plot bordered by 2 stream beds (both dry) with no slope. The plot has a grassy understory with sparse Eriogonum fasciculatum cover. The plot encompasses parts of the streambed (Chalone Creek). The west side of the plot is very open and covered by Quercus douglasii. There is a pig cage on the east side of the plot. There is water in the stream channel that borders the N. side of the plot.