Chapman Ranch is a small unincorporated community located in Nueces County, Texas. The climate is humid subtropical, with hot summers and mild winters. The area has a relatively low annual precipitation rate, with most of the rain falling in the early fall months. The hydrology constituents in the area include the Nueces River and Oso Creek, which provide important sources of water for local communities. Outdoor recreation opportunities in the Chapman Ranch area include fishing, camping, and hiking. The nearby Oso Bay Wetlands Preserve offers visitors the chance to explore the unique ecosystem of the Texas coast and observe a variety of wildlife species.