Lys (river)
a Pleiades
place
resource
Creators: M. Pearce, P. Tozzi Copyright © The Contributors. Sharing and remixing permitted under terms of the Creative Commons Attribution 3.0 License (cc-by).
Creators: M. Pearce, P. Tozzi Copyright © The Contributors. Sharing and remixing permitted under terms of the Creative Commons Attribution 3.0 License (cc-by).
Last modified
Apr 19, 2026 11:28 AM
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History
The modern Lys river is possibly to be identified with the ancient Betuctelum river. The Lys flows from the Lys Glacier of the Monte Rosa massif to converge with the river Dora Baltea as a righthand tributary at Pont-Saint-Martin.
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https://pleiades.stoa.org/places/383590
45.728462938, 7.83690276648
- Associated Modern Locations:
- OSM Location: modern Lys (AD 2000 - AD 2099) accuracy: +/- 20 meters.
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- Less than certain: Betuctelum (30 BC - AD 640)
- Less than certain: Fl. Betvctelv̄̄ (Fluvius Betuctelum: Latin, AD 300 - AD 640)
- Lys (river) flows into Duria (Bautica) (river) (modern)
- Pont-Saint-Martin (bridge) crosses Lys (river) (unspecified date range)
river, drainage
Barrington Atlas: BAtlas 39 B2 Betuctelum? fl.
The Barrington Atlas Directory notes: Lys
M. Pearce, P. Tozzi, R. Talbert, Sean Gillies, Tom Elliott, and Jeffrey Becker, 'Lys (river): a Pleiades place resource', Pleiades: A Gazetteer of Past Places, 2026 <https://pleiades.stoa.org/places/383590> [accessed: 14 May 2026]
{{cite web |url=https://pleiades.stoa.org/places/383590 |title=Places: 383590 (Lys (river)) |author=Pearce, M., P. Tozzi |accessdate=May 14, 2026 1:31 pm |publisher=Pleiades}}