Meet outside the Centro Comercial Galerías Sucre entrance. It is on a pedestrian street. If travelling by taxi, it's a short walk from the closest spot a taxi can reach. Uber is available in Quito. Alternatively, the San Francisco metro station is also a short walk away.
The tour concludes at the Parque de la Vicentina in the La Floresta neighbourhood of Quito. The tour duration is approximately 3.5 to 4 hours depending on the pace of the group. Your guide can help you to find transport back to your accommodation if you wish.