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reproduction autoris\u00e9e avec mention de la source et de la date", "elevation_dataset": "LiDAR HD \u2014 MNT (sol) et MNS (surface), 0,50 m (Institut national de l'information g\u00e9ographique et foresti\u00e8re), RGF93 / Lambert-93 EPSG:2154, altitudes IGN69", "elevation_vertical_datum": "IGN69", "elevation_tile_ids": [ "E419-N6274", "E419-N6275", "E419-N6276", "E420-N6274", "E420-N6275" ], "elevation_blocks": [ "21LHD1FQ@2025-09-15" ], "ign_dalles": [ "LHD_FXX_0419_6275_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0419_6276_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0419_6277_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0420_6275_MNT_O_0M50_LAMB93_IGN69", "LHD_FXX_0420_6276_MNT_O_0M50_LAMB93_IGN69" ], "ign_missions": [ "21LHD1FQ" ], "ign_editions": [ "2025-09-15" ], "ign_dsm_edition": { "LHD_FXX_0419_6275_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0419_6276_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0419_6277_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0420_6275_MNT_O_0M50_LAMB93_IGN69": "2025-09-15", "LHD_FXX_0420_6276_MNT_O_0M50_LAMB93_IGN69": "2025-09-15" }, "route_summit_trim_m": 997.3, "route_summit_trim_loss_m": 20.6, "climb_origin": "discovered", "structure_own_ways": "none \u2014 the route carried no way list; 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