Please pick up your ticket at the tourist information centre at Heidelberg main station. There you will also receive your Heidelberg guide with a city map.
The opening hours of the office are from April to October: Monday-Saturday from 10 am to 5 pm, Sundays and public holidays from 10 am to 3 pm; November to March: Monday-Saturday from 10 am to 5 pm, Advent Sundays 10 am to 3 pm, closed on other Sundays and public holidays.