Want a walk that combines architectural prowess and forest? The Ariethal trail is for you. From Fléville, immerse yourself in an enchanting forest setting to admire the curves of the famous stone giant nestled in its green environment, the Ariethal Viaduct. This route will also invite you to enter the memorial plantation dedicated to the Big Red One, a living and botanical tribute that connects this land to history. Follow the hiking trail marking no. 22.