Collier SG50-04 — AUSTopo 1:250,000 Topographic Map (2025)

Cliff-edged ranges, remote national park country, and the upper Ashburton–Gascoyne watershed—mapped with authority across inland Western Australia

Covering Collier Range National Park, Kumarina, Milgun, Mulgul, Tangadee, and the surrounding remote interior, this AUSTopo 1:250,000 sheet provides a clear, authoritative regional overview of rugged country where high ridges, low hills, spinifex plains, mulga woodland, and far-reaching creek systems meet. From the Great Northern Highway corridor and Kumarina Roadhouse to the isolated tracks surrounding Collier Range National Park and neighbouring pastoral leases, it is designed for professionals and experienced travellers who need dependable big-area context.

The sheet brings together national park boundaries, pastoral leases, remote homesteads, regional roads, station and exploration tracks, mineral prospects, creeks, drainage divides, terrain, vegetation patterns, and named natural features in one coherent view—valuable for conservation programs, pastoral operations, geological fieldwork, emergency coordination, expedition planning, and remote-area navigation.

At 1:250,000 scale (1 cm = 2.5 km), this is the largest scale at which published topographic maps cover the entire Australian continent—ideal for regional planning, land management, emergency coordination, and serious navigation.

Explore adjoining sheets and national coverage with the official AUSTopo 1:250,000 map index.

🧭 Why this map stands out

• Updated mapping (2025) — aligned to modern Australian datums for confident, current use

• True regional perspective — rugged ranges, national park country, pastoral leases, watershed systems, and sparse access routes shown in one coherent view

• Professional-grade cartography — relied on by emergency services, field teams, pastoral operators, and land managers

• Dual coordinate systems — seamless transition between office planning and field navigation

• Printed in Australia — precision output, locally finished and quality-checked

🗺️ What you’ll see

• Contours and spot elevations across the Collier Range, cliff-edged ridges, low hills, sandplains, and spinifex country

• Collier Range National Park, Kumarina, Milgun, Mulgul, Tangadee, and surrounding remote localities

• Upper tributaries and drainage divides associated with the Ashburton and Gascoyne river systems

• Great Northern Highway, regional roads, neighbouring station tracks, exploration routes, and isolated access corridors

• Pastoral homesteads, mineral prospects, wells, bores, vegetation patterns, boundaries, and clear grid overlays for accurate positioning

📐 Map details at a glance

• Scale: 1:250,000

• Series: AUSTopo — Australian Digital Topographic Map Series

• Coverage: Collier SG50-04

• Map currency: 2025

• Coordinates: Geographical & MGA

• Datum: GDA2020, AHD

• Projection: Universal Transverse Mercator (UTM)

• Sheet size: 800 mm (W) × 500 mm (H)

💧 Field-Ready Options for Rugged Use

Choose the format that best suits your intended use—from lightweight trip planning to demanding all-weather fieldwork.

✅ Standard Paper

• Printed on 100 gsm FSC® coated paper

• Produces crisp, clear text and finely defined map symbols

• Lightweight and convenient for general reference or protected field use

• An economical choice for trip planning, research and office applications

✅ Waterproof and Tearproof Tyvek®

• Made from genuine DuPont™ Tyvek®, an advanced synthetic material composed of pure polyethylene fibres

• Waterproof, tear-resistant, foldable and extremely lightweight

• Printed using HP pigment-based inks for a permanent waterproof finish

• Suitable for backpacks, vehicles and exposed field conditions

• Ideal for bushwalkers, emergency personnel and outdoor professionals

• Provides exceptional durability without the weight and bulk of lamination

✅ Laminated

• Fully encapsulated between two 80-micron gloss laminate sheets

• Highly resistant to water, stains, smudges and tearing

• Draw on the surface with whiteboard markers for route planning or instruction

• Use Mark-It-Dots to identify campsites, hazards, access points or other locations without marking the map permanently

• Wipeable and reusable

• Ideal for offices, classrooms, operations centres and repeated field reference

🎯 Who it’s for

• Conservation managers, park staff, ecologists, and environmental field teams

• Pastoral operators, station managers, and regional contractors

• Geologists, prospectors, surveyors, and mineral-exploration teams

• Emergency services and remote-area coordinators

• Government agencies and land-use planners

• Experienced four-wheel-drive travellers and expedition planners

• Researchers, educators, and students

🇦🇺 Our commitment

Every AUSTopo map we supply is printed and finished in Australia, colour-managed for accuracy, hand-checked, and packed with care—so it arrives ready for real-world use.

Plan fieldwork, understand the watershed country, and navigate the Collier region with confidence. Choose your finish and add this essential 2025 AUSTopo map to your kit today.