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**Why it matters (policy aims and legal consequences)

• The plan operationalises the Commonwealth’s statutory duty to protect National and Commonwealth Heritage places by setting what activities are permitted, how conservation is prioritised, which assessments must be done first, and by making those procedures part of the Commonwealth’s decision routine (Chapters 1, 4, 7; Appendix A).
• It ties domestic law (EPBC Act and Regulations) to international obligations under the Antarctic Treaty / Environmental Protocol (ATEP Act), so visitors and operators must satisfy both domestic permit and environmental assessment requirements and the ASPA controls (Chapter 4.2–4.3).

**Stated purpose vs practical trade-offs, incentives and risks

• The plan claims its purpose is to "identify, protect, conserve, present and transmit" the site’s National and Commonwealth Heritage values (Chapter 1.5). That purpose is implemented by prioritising conservation over public access, requiring heritage assessments before non-routine works, and specifying conservation priorities and procedures (Chapter 7; Table 5).

• Costs and incentives:

  • Who pays: implementation will be funded from Commonwealth budgets administered by the Department/AAD, supplemented where appropriate by private partners (policy 4.c) — this centralises costs on public budgets and any partner contributions (Chapter 9, Table 6; Chapter 7.2.4.c).
  • Direct costs are high because access requires dedicated voyages, or diversions/airlift in difficult sea/ice/wind conditions; conservation expeditions are logistically expensive and compete with other AAD priorities such as station resupply (Ch. 6.1; Implementation Plan actions).
  • Private parties (tour operators) face compliance costs: permit, qualified guides, adherence to ASPA rules and possible limits on visits (Ch. 3.2; Ch. 4.3).

• Trade-offs and opportunity costs:

  • The plan privileges in‑situ conservation and retaining patina (authentic weathering) in many cases (Ch. 1.4, 7.1–7.2), which may increase ongoing maintenance costs versus removing/relocating fabric to a museum. That is an explicit conservation choice with higher recurrent access and logistics costs but greater on-site authenticity.
  • Prioritising conservation over tourism (Policy 2.a) constrains potential commercial opportunities and may reduce short-term visitor access in favour of long-term preservation.

• Implementation risk and complexity:

  • Climate change and changing ice/sea access patterns are identified as rising risks (Ch. 6.2); uncertainty about how those risks will materialise increases the chance that conservation plans need frequent costly revision.
  • The plan creates nested procedural requirements (self-assessment → HIA → referral → ministerial decision; see Chapter 10.1). Those steps create potential delay and discretionary decision points where Ministerial or departmental judgements determine whether an activity proceeds and on what conditions.

• Compliance burden and administrative discretion:

  • Commonwealth agencies are subject to Section 341ZC style constraints (plan cites s341ZC), which require adverse impacts to be avoided unless there is "no feasible and prudent alternative" and all reasonable mitigation is taken — this imposes a high threshold but also leaves judgement calls for agencies and the Minister (Ch. 4.2).
  • The Minister retains approving authority for referable actions and can attach conditions; the AAD has delegated authority to administer ASPA permits but must also report back (Chapter 4.2–4.3; Chapter 10).

• Effects on private choice and competition:

  • Tourism operators and private foundations can continue to partner on conservation, but their activities will be constrained by permit regimes and by the plan’s prioritisation of conservation and scientific access (Chapter 7, Policy 4.c and 2.b).
  • Private actors may find assistance for conservation (policy 4.c) but cannot unilaterally act; any conservation or research activity beyond routine maintenance requires AAD oversight and formal approvals (Chapters 7.1–7.2).

**Key implementation mechanics and obligations (practical checklist)

• AAD must prepare a Heritage Assessment and a Works Program within the plan’s timeframes, and develop monitoring manuals, unexpected-finds protocols, and visitation strategies (Chapter 9, Table 6).
• Any non-routine works must be preceded by archival recording and likely by a Heritage Impact Assessment; if a significant impact is possible, the action must be referred under the EPBC Act (Ch. 7.2.1.c–d; Ch. 10.1).
• Entry to the site is subject to ASPA permit requirements under the ATEP Act; visitor numbers, guides and behaviour are regulated by the ASPA Management Plan and visitor guidelines (Ch. 4.2–4.3; Ch. 3.2).

**Bottom line (who pays, who decides, what changes)

• Who pays: mainly the Commonwealth through the Department/AAD; private partners may contribute to specific conservation expeditions or research but require approvals (Ch. 9, Table 6; Ch. 7.2.4.c).
• Who decides: the AAD as site manager implements the plan, but the Minister for the Environment decides on EPBC referrals and permit approvals and may attach conditions (Ch. 4; Ch. 10.1).
• What behaviour changes: AAD must formalise and document conservation action, use the prescribed decision steps before non-routine interventions, strengthen monitoring and reporting, and control visitor access; tourism operators and researchers must use ASPA permits and follow AAD/HMP requirements.

(References in parentheses point to the plan chapters and to the EPBC Act provisions cited within the plan.)

Acknowledgement of Country

Our Department recognises the First Peoples of this nation and their ongoing connection to culture and country. We acknowledge them as the Traditional Owners, Custodians and Lore Keepers of the world's oldest living culture and pay respects to their Elders past, present and emerging.

While Antarctica has no known Indigenous population, the First Peoples of Australia and lutruwita, Tasmania – the Palawa people – hold a meaningful, established connection with the sea and sky that carries weather patterns and species from Antarctica to Australia and its sub-Antarctic islands. Fundamentally, these Peoples possess a deep understanding of the animals, the swells, the winds, and the nuyina (Aurora Australis), that link the frozen continent of Antarctica to Australia.

Acknowledgements

This management plan draws on the expertise and the work of many people who have been involved over several decades in the protection of Mawson’s Huts Historic Site. Contributors include: heritage specialists; expedition personnel; staff at the Australian Antarctic Division (AAD) and Heritage Division of the Department of Climate Change, Energy, the Environment and Water (the Department); and members of the public and organisations.

This management plan is based on the original Significance Assessment, and subsequent Conservation Management Plan prepared by Godden Mackay Logan Heritage Consultants with the support of the Mawson’s Huts Foundation in 2001, which justified the place’s listings on the National Heritage List and the Commonwealth Heritage List. As required under Sections 324S(6)(a) and 341S(6)(b) of the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) and Regulations 10.01A and 10.03C of the Environment Protection and Biodiversity Conservation Act Regulations 2000 (EPBC Regulations), a draft plan was prepared and public comment sought.

This plan has been prepared to meet the EPBC Act obligations arising from the National and Commonwealth Heritage listing of Mawson’s Huts Historic Site, taking into consideration comments received during the public consultation period. While the AAD is responsible for the contents of this plan, it acknowledges the direct and indirect contributions of a diverse community of interest.

Executive Summary

Mawson’s Huts Historic Site is located at Cape Denison, George V Land, Australian Antarctic Territory, some 3000 km south of Hobart, Australia. The site is on Commonwealth land and the Commonwealth of Australia is the owner of the site, its structures and its objects. The Australian Antarctic Division of the Department of Climate Change, Energy, the Environment and Water is the organisation which manages the site.

Mawson’s Huts Historic Site covers approximately 130 hectares and is the setting of the historic structures and artefacts of the Main Base of the Australasian Antarctic Expedition (AAE) of 1911-1914, led by Dr (later Sir) Douglas Mawson. The AAE was unique as the only expedition organised, manned and supported predominantly by Australians during the Heroic Era of the late nineteenth and early twentieth century of Antarctic exploration. This historic site at Commonwealth Bay is one of only six remaining from this era across the continent.

Key attributes of the site include four historic huts – Main Hut, Magnetograph House, Absolute Magnetic Hut and Transit Hut, – cultural heritage artefacts, wireless mast ruins, survey markers, a memorial cross, and a proclamation pole and canister. The Official National and Commonwealth Heritage Values of the site include its association with: the foundation for Australia’s claim to the Australian Antarctic Territory; the only Antarctic expedition mounted and undertaken by Australians during the Heroic Era; one of six surviving Heroic Era expedition bases; research potential to provide interpretation of what life was like during the expedition; the unique design and form of the buildings; the evocative cultural landscape in which the historic structures are installed; the patination of the historic structures that demonstrates significant time elapsed; the achievements of the AAE; and the memory of members of the AAE.

National recognition of the site’s cultural heritage significance was formalised by its inclusion on the Register of the National Estate in 1980 (now a non-statutory archive), the Commonwealth Heritage List in 2004 and the National Heritage List in 2005.

The cultural heritage significance of the site has also been recognised internationally in the context of the Antarctic Treaty system. Since 1972 the huts have been designated as a Historic Site and Monument (HSM), and since 2004 the site has been designated as an Antarctic Specially Protected Area (ASPA).

Under the guidance of successive Heritage Management Plans, major conservation works have been carried out at the site including, but not limited to, the over-cladding of Main Hut, ice removal from the interior, fitting of a frame to help stabilise the Transit Hut, and artefact conservation. The Mawson’s Huts Foundation have been integral to the successful delivery of these conservation works to date. To continue to inform and support the protection of the recognised values of the site, a comprehensive on-site Heritage Assessment will be undertaken within the first two years of this Plan’s making to inform further monitoring and analysis of key pressures at the site, and to support management decisions.

This plan provides the framework to guide management decisions, including on- and off- site actions, to protect and conserve the National Heritage, Commonwealth Heritage and other values of Mawson’s Huts Historic Site. It sets out how the National and Commonwealth Heritage values of the site, as described on the National Heritage List and Commonwealth Heritage List, will be managed and protected.

The overarching conservation philosophy in managing Mawson’s Huts Historic Site is to protect and conserve its heritage values, while allowing the fabric of the site to represent both a moment in time, and the passage of time.

Ongoing pressures on the National and Commonwealth Heritage values of the site include significant challenges in accessing the site which is not within direct shipping routes to Australian Antarctic stations, and consequently requires resourcing for dedicated voyages, diversions, or support from other vessels to reach the site. Developing pressures on these values of the site are primarily environmental. The impacts of a changing climate are not yet entirely known, but extreme wind speeds, snow and ice melt, relative humidity and salt all pose threats to the longevity of the historic fabric; as well as pose a further obstacle to site access. Potential future pressures, such as increased tourism activity at the site, also present a challenge for management to balance conservation of its recognised values with access to the vulnerable historic structures and objects. During the life of this plan, there will be further monitoring and analysis of key pressures.

Management actions within this plan will help to ensure that the heritage values of Mawson’s Huts Historic Site are identified, protected, conserved, presented and transmitted to all generations.

Contents

Acknowledgements

Executive Summary

Glossary

Chapter 1: Introduction

1.1 Context

1.2 The need for a Heritage Management Plan

1.3 Public consultation

1.4 Conservation philosophy

1.5 Plan objectives

Chapter 2: Site Description

2.1 Natural Environment

2.2 Built Environment

Chapter 3: Site Usage

3.1 Historical context

3.2 Current use

Chapter 4: Management Frameworks

4.1 Site governance

4.2 National legislation

4.3 International commitments

Chapter 5: Heritage Values

5.1 Assessment of the Heritage values

5.2 Description of the Heritage values

5.3 Condition of the Heritage values

Chapter 6: Pressures

6.1 Operational

6.2 Environmental

6.3 Visitational

6.4 Inadvertent

Chapter 7: Principles and Policies

7.1 Principles

7.2 Policies

Chapter 8: Monitoring and Review

8.1 Monitoring

8.2 Review

Chapter 9: Implementation Plan

9.1 Management actions and timeframes

Chapter 10: Other Tools

10.1 Decision-making process

10.2 Supporting materials

Appendices

Appendix A: Compliance with EPBC Regulations

Appendix B: National Heritage Listing

Appendix C: Commonwealth Heritage Listing

Appendix D: Significance Assessment (2001)

Appendix E: History of the Place

Appendix F: Conservation works to date

Appendix G: Relevant Datasets

Appendix H: Post-1950 fabric

Bibliography

General Publications

Heritage Management Publications

Site Management Plans, Reports and Policy Proposals

Tables

Table 1: Official Values as identified within the National Heritage listing

Table 2: Official Values as identified within the Commonwealth Heritage listing

Table 3: Condition of the historic fabric at Mawson’s Huts Historic Site

Table 4: Integrity of the heritage values at Mawson’s Huts Historic Site

Table 5: Policy areas that support the protection of Mawson’s Huts Historic Site’s Heritage values

Table 6: Actions and timeframes to implement the four policy areas

Table 7: Supplementary decision-support tools

Maps

Map 1: Location of Mawson’s Huts Historic Site

Map 2: Cape Denison Satellite Image Map

Map 3: Mawson’s Huts Historic Site, Cape Denison

Figures

Figure 1: Mawson’s Huts Historic Site

Figure 2: Adélie penguin and chicks at Mawson’s Huts Historic Site

Figure 3: Mawson’s Huts, Cape Denison

Figure 4: Adélie penguins leaping into water

Figure 5: Floorplan of Main Hut – living quarters and workshop layout

Figure 6: Living quarters (Main Hut)

Figure 7: Workshop containing original fabrics and conservation equipment (Main Hut)

Figure 8: Magnetograph House

Figure 9: Absolute Magnetic Hut

Figure 10: Transit Hut with over-clad southern face

Figure 11: Artefact scatter outside Main Hut

Figure 12: Exposed remains of wireless mast ruins

Figure 13: Memorial Cross atop Azimuth Hill

Figure 14: Proclamation pole, plaque and canister atop Proclamation Hill

Figure 15: Raising of the flag at Cape Denison

Figure 16: Expeditioner tents on a platform during the 2021/22 conservation expedition

Figure 17: Reading materials of the AAE within living quarters of Main Hut

Figure 18: Granholm Hut

Figure 19: Expeditioners in front of Sørensen Hut

Figure 20: Apple Hut

Figure 21: Expeditioner and University of Wisconsin Automatic Weather Station

Figure 22: 2012 Commemorative plaque

Glossary

This is an opening excerpt, not the complete document.