Dumbleyung SI50-07 — AUSTopo 1:250,000 Topographic Map (2025)

Productive Wheatbelt country, historic grain towns, and expansive salt-lake systems—mapped with authority across Western Australia’s inland south-west

Covering Dumbleyung, Wagin, Katanning, Kojonup, Gnowangerup, and the surrounding Wheatbelt and Great Southern districts, this AUSTopo 1:250,000 sheet provides a clear, authoritative regional overview of an important agricultural landscape shaped by broad drainage systems, granite terrain, and a closely connected network of country towns. From Lake Dumbleyung—famous for Donald Campbell’s Bluebird water-speed record—to grain-growing districts, rail corridors, nature reserves, salt flats, and rural road networks, it is designed for professionals and experienced travellers who need dependable big-area context.

The sheet brings together towns and settlements, agricultural infrastructure, regional highways, local roads, railway alignments, property access routes, rivers, lakes, wetlands, terrain, vegetation patterns, and named natural features in one coherent view—valuable for farming operations, emergency coordination, environmental work, infrastructure planning, land management, and regional 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 — agricultural districts, country towns, transport corridors, lakes, and drainage systems shown in one coherent view

• Professional-grade cartography — relied on by emergency services, planners, agricultural teams, 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 gently undulating farmland, granite hills, broad valleys, and low inland plains

• Dumbleyung, Wagin, Katanning, Kojonup, Gnowangerup, and numerous smaller Wheatbelt and Great Southern localities

• Lake Dumbleyung, the Coblinine River system, salt lakes, wetlands, creeks, and ancient drainage lines

• Regional highways, local roads, railway corridors, farm access routes, and remote tracks

• Agricultural districts, reserves, vegetation patterns, administrative 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: Dumbleyung SI50-07

• 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

• Farmers, agricultural contractors, and rural service providers

• Emergency services and regional operations coordinators

• Environmental consultants, catchment teams, and land managers

• Engineers, surveyors, and infrastructure planners

• Government agencies, educators, historians, and researchers

• Country travellers and regional expedition planners

🇦🇺 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.

Understand the lake systems, connect the regional towns, and navigate the Dumbleyung district with confidence. Choose your finish and add this essential 2025 AUSTopo map to your kit today.