Via delle Terme di Tito, 72. Meet directly across the street from Oppio Caffè at the gated entrance to Colle Oppio Park. Your guide will be holding a green Walks sign.
If arriving by metro, please note that there are two entrances/exits for the metro. The Gate to access the Park is located on the street above the metro station. You can take the stairs up either inside the metro station or from outside. Once you arrive to the street above the metro, face the Colosseum and then walk to your left 150 meters and you will find the Oppio Caffè and the Gate to the Park at the corner.
Please meet 15 minutes prior to the tour start time.