During the summer holidays, a solar bike tour leads to the solar roofs in Gehrden and Ronnenberg (Hannover Region). The climate protection managers of Gehrden and Ronnenberg will expertly guide participants on this family-friendly excursion to exemplary PV and solar heating systems on the roofs of their towns. Both municipalities have a 100 Solar Roofs programme. The bicycle tour offers an alternation between sporting activity and content-related explanations. The tour is approx. 20 kilometres long.