Leo Cullen's side have been drawn against Ronan O'Gara's outfit, along with Bayonne, Leicester Tigers and Harlequins in Pool 3
Leinster will once again meet La Rochelle in the pool stages of next season's Champions Cup.
Leo Cullen's side have been drawn against Ronan O'Gara's outfit, along with Bayonne, Leicester Tigers and Harlequins in Pool 3.
A reunion with former head coach Johann van Graan awaits Munster in Pool 2.
The Men in Red have been drawn with Bath, as well as Toulon, Gloucester and Castres.
Meanwhile, Connacht and Ulster found out their pool stage opponents in the Challenge Cup.
The Westerners are in Pool 1, with Ospreys, Zebre, Montpellier, Montauban and Georgian side Black Lion.
Ulster have been drawn in a tricky Pool 3, with Racing 92, Stade Francais, Exeter Chiefs, Cardiff and South African side the Cheetahs.
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