Ost-West Friedenskirche, Chapel in Oberwiesenfeld district, Munich, Germany.

The Ost-West Friedenskirche was a small chapel in Munich's Olympic Park built from repurposed materials including rubble from World War II destruction. The building creatively integrated recycled construction waste and demonstrated an unconventional construction approach that combined thriftiness with spiritual purpose.

Timofej Prokhorov, a Russian hermit rather than an architect, built the chapel and an adjoining hut without a permit in the 1950s on the Oberwiesenfeld, using remains of a nearby rubble mountain. He said a wartime vision of Mary sent him west; he met his wife Natasha in Vienna in 1944 and moved to Munich in 1952 after further visions. When Catholic and Russian Orthodox authorities each rejected the building, he celebrated the liturgy himself. In 1968 the planned Olympic site was moved north after public protests, sparing the chapel; it burned down on 11 June 2023.

Timofej offered the finished chapel to both the Catholic and the Russian Orthodox Church in Munich; each refused, the Catholics finding too many Orthodox elements and the Orthodox too many Catholic ones. He then celebrated the liturgy there himself, while sending people to Catholic or Orthodox priests for baptism and marriage. The annual Tollwood summer festival is held around the grounds.

The chapel was located in the Olympic Park at an easily accessible spot where visitors could pass by while strolling through the park-like grounds. Access was free and the site was reachable on foot, though it no longer exists after a fire in 2023.

When the burned shell was dismantled in early 2025 ahead of the planned reconstruction, workers found devotional objects and about 6,000 euros in Deutsche Mark notes and coins hidden inside the building. The chapel had already been placed under monument protection in 2026.