Directions to the Shenandoah Pool Directions to the Shenandoah Pool:   From in The Woodlands (west of Grogan’s Mill): Take either Woodlands Parkway or Research Forest east. Make a left on Grogan’s Mill Road heading north. Follow this road (pay attention to the speed limit) to Wellman Road. Make a right on Wellman. Go straight through stop sign. Parking lot and pool are on your right.   From I-45: Take either the Woodlands Parkway exit or Research Forest exit and head west. Make a right on Grogan’s Mill Road heading north. Follow this road (pay attention to the speed limit) to Wellman Road. Make a right on Wellman. Go straight through stop sign. Parking lot and pool are on your right.