Boat Cruise
Boat CruiseThe Vaults of La Collancelle
La Collancelle
Glide through centuries-old underground vaults that connect the Loire and Seine basins. These historic canal tunnels are an engineering feat you can explore by boat in a surprisingly green setting.
Underground canal tunnels
Self-guided boating
Hidden engineering history
Family adventure activity
Tips
✨"magical and completely timeless place in unspoiled nature"
⚠️claustrophobics beware — vaults are low and narrow
🔦bring boots, lamp, and gloves for walking
The Vaults of La Collancelle
La CollancelleOpen
Boat CruiseBoat CruiseGlide through centuries-old underground vaults that connect the Loire and Seine basins. These historic canal tunnels are an engineering feat you can explore by boat in a surprisingly green setting.
Underground canal tunnels
Self-guided boating
Hidden engineering history
Family adventure activity
Tips
✨"magical and completely timeless place in unspoiled nature"
⚠️claustrophobics beware — vaults are low and narrow
🔦bring boots, lamp, and gloves for walking