ATCM-46 adopted seven new Historic Sites and Monuments (HSMs) across different Antarctic regions — bringing the total to over 90. HSMs are protected under the Madrid Protocol and cannot be disturbed without consultation with the designating Party. Expedition planners must be aware of HSMs near proposed routes or landing sites.
Expedition planners and station operations — protected sites cannot be disturbed.
Primary: Antarctic Treaty System Secretariat ↗
Verified 2026-04-19 · methodology · report a correction