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- La Lance Charterhouse (dissolved) at Concise, (Vaud): Carthusians
- Lac de Joux Abbey at L'Abbaye (Vaud): Premonstratensians
- Le Lieu (Vaud): monastery of unknown rule, possibly a hermitage
- Lucerne:
- Lucerne Abbey: Benedictine monks
- Franciscan friary, Lucerne
- Lully Priory (dissolved) at Bernex (Geneva): Benedictine monks
- Lutry Priory (dissolved) at Lutry (Vaud): Benedictine monks
- Lützelau Abbey or Priory (dissolved) on Lützelau island, Freienbach (Schwyz): nuns, order unknown
Read more about this topic: List Of Christian Religious Houses In Switzerland