Go to M-59
Take M-59 to Teggerdine Rd. (13+ miles east of US-23;  9+ miles west of Telegraph) 
Take Teggerdine north (approx. 3 miles) to White Lake Rd.
Take White Lake Rd west to Indian Springs entrance on the north.

From North, Northwest

Take I-75 south to exit 93
Go south/southeast on Dixie Hwy (US24) to White Lake Rd (1.4 miles)
Take White Lake south, southwest for 5 miles (via Andersonville Rd for 0.2 miles)
Turn north to park entrance.