Size Duel deck / Buildings, bridges and dams
Mauvoisin Dam
Height: height of the raised dam wall
250 m (820 ft)
An arch dam in Valais that was raised after it was first built.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source.
“250.0”Swiss Federal Office of Energy / geo.admin.ch: source, retrieved 2026-10-21; quote re-found by the server check
“250m”Valais/Wallis Promotion: source, retrieved 2026-10-21; quote re-found by the server check
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