In addition, flooding may raise safety concerns. Also, getting property owners to sell or donate land may be an obstacle to obtain land to create a connected greenway. It could serve as an access point for trails. There is existing flood debris on this stretch of the creek, which would increase the cost of constructing trails. The city of Austin also owns some of the land along this stretch of Onion Creek.
Some trails exist which can be improved upon.
Highway 183 can be an easy access point. Some marshy areas exist, which would add to the diversity of habitats. A quarry is located on the south side of the creek which could pose as an obsacle for trail making. The airport can draw air travelers. The airport will be accessible by city transportation services which will also make the greenbelt accessible.