From Interstate 35 Frontage Road and Aquarena Springs Dr, San Marcos, Texas, drive east on Aquarena Springs Drive toward IH 35. Make the first left turn onto IH 35. Take the ramp to your left onto I-35 N. Take exit 210 toward Yarrington Road. Merge onto IH 35. Make a left turn onto Co Road 159/Yarrington Road. Make the first left turn onto IH 35. Avalon Apartments will be on the right.