Directions from mapquest:

Follow 83 South across the South Bridge.  Stay in the right-hand lane and follow 83 South to York/Baltimore.  Get in the right-hand lane...as the road bends to the left, you will get off at the next exit 41B Highland Park.  Follow the exit ramp to the light at the top.  Go straight at the light (10th St).  Follow all the way down until you get to a traffic light (T) in the road (Hummel Avenue).  Take left at light onto Hummel Avenue then immediate right back onto South 10th Street.  Follow to the end past the storage sign and to the left (Bosler) into the parking lot.  Susquehanna Sports Center is at the far end of the parking area.

Alternate directions

Take 83 South through Harrisburg and over the South Bridge.  Take the Lemoyne exit.  Turn right at the light.  You'll go over an overpass. At the first light, make a left onto Hummel Ave. Travel on Hummel Ave  (0.5 mi) to your first light and turn right onto 10th Street.  Go 0.1 mile and turn left into the Susquehanna Sports Center. It's at the far end of the parking area.