FROM BOLOGNA: Free service. Active Saturday, Sunday and Bank Holidays.

Departures - bus stops:
10.15 am - Bologna, UNA Hotel, via Pietramellara 41/43 (Central train Station)
10.20 am - Bologna, Viale Giambattista Ercolani bus stop Tper "Bologna San Vitale"
10.35 am - San Lazzaro di Savena, via Emilia, bus stop Tper "San Lazzaro Municipio"
11.00 am - arrival at Castel Guelfo The Style Outlets

Way back - bus stops:
4.30 pm - departure from Castel Guelfo The Style Outlets
4.55 pm - San Lazzaro di Savena, via Emilia, bus stop Tper "San Lazzaro Municipio"
5.10 pm - Bologna, Viale Giambattista Ercolani bus stop Tper "Filopanti"
5.15 pm - Bologna, UNA Hotel, via Pietramellara 41/43 (Central train Station)

FROM CASTEL S. PIETRO TERME: Free service. From Monday to Sunday

Departure from Castel S. Pietro Terme: 10.10am - 11.10am - 12.10pm - 2.10pm - 3.10pm - 4.10pm 
Return from Castel Guelfo The Style Outlets: 11.30am - 1.30pm - 3.30pm - 4.30pm - 5.30pm - 6.30pm

Halfway stop at Castel San Pietro Terme bus station (Tper Martiri Partigiani stop)

On Mondays, due to the local market, the rides from 10.10 to 12.10 am will effect the stop at Tper "Repubblica" bus stop, in front of Cila Blu Arredo Bagno and Tigotà Stores (Via della Repubblica, correct position at this questo link).