If you can figure out how to get to Dallas/Fort Worth, San Antonio and Houston, you won't have any trouble getting to Salado. It's right in the middle.
30°57′19″N 97°32′5″W / 30.95528°N 97.53472°W if you trust your GPS lady.
Once you get to Salado you won't have any trouble getting to Pace Park or Inn on the Creek. Everything is close by.
To Inn on the Creek
Feel free to use these maps to return home afterward.
See you in Salado