+--------------+
| Hagnau | -------+
+--------------+ |
| |
| |
| |
| |
+--------------+ +---------------+
+> | Oberuhlingen | <--> | Uhlingen |
| +--------------+ +---------------+
|
| +---------------------+
| | |
| +--------------+ .................
| | Mainau | ---- : Unteruhlingen :
| +--------------+ :...............:
| ^
+--------------------------+