Mont Jacques-Cartier

• Summit elevation · 1 270 m

  Elevation in the current official place-name record. Some older maps show 1,268 m.

• Contour interval · 20 m

  Computed value — Chosen interval between contours derived from the DEM; it is not vertical accuracy.

• Mapped extent · 12 × 9.3 km

  Computed value — Deliberate cartographic terrain window. It is not the mountain’s area or official boundary.

• Elevation contours · 267

  Computed value — Number of paths calculated by source-pixel edge interpolation, without smoothing.

• DEM grid sampling · ≈ 25 m

  Computed value — Downloaded grid spacing at the artwork centre. Native data resolution may differ; it is not survey accuracy.

• Commission de toponymie du Québec
• Mapzen Terrain Tiles / AWS Open Data
• Source
• Mixed open terrain sources; required regional attribution retained

Decorative artwork, not a navigation chart. Mapped shorelines and extents are approximate; historical or modeled data are labeled.

Visual guidance · Paper proof pending.