For those camping on the cheap, here are some great campsites we found near Mount Remarkable National Park, SA.
#10 Port Germein Roadside Stop
Augusta Hwy, Port Germein, South Australia1 hour 13 minutes (84.1 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#9 Woolshed Flat Rest Area
Flinders Ranges Way, Saltia, South Australia1 hour 6 minutes (70.5 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 
#8 Wirrabara Roadside Stopover
Main North Rd, Wirrabara, South Australia1 hour 3 minutes (65.5 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Phone Reception
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#7 Pichi Richi Unofficial
1 hour 2 minutes (65.3 km) drive from Mount Remarkable National Park
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              - ✓ Free
 - ✓ Phone Reception
 - ✓ Telstra 4G
 
#6 Mambray Creek Rest Area
50 National Hwy A1, Mambray Creek, South Australia59 minutes (61.1 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#5 Mambray Creek Western Side Rest Area
Augusta Hwy, Mambray Creek, South Australia59 minutes (60.9 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#4 Chinaman Creek (Winninowie Conservation Park)
1 hour 7 minutes (53.6 km) drive from Mount Remarkable National Park
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              - ✓ Free
 - ✓ Toilets
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Boat Ramp Nearby
 - ✓ Phone Reception
 - ✓ Fishing
 - ✓ Walking Trails
 - ✓ Swimming
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#3 Doughboy Reserve
46 minutes (40.7 km) drive from Mount Remarkable National Park
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              - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Walking Trails
 - ✓ Allows fires
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#2 Goyder Line Rest Area
Horrocks Highway, Melrose, South Australia36 minutes (26.6 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Water (Non Drinking)
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#1 Horrocks Pass Bush Camp
36 minutes (25.5 km) drive from Mount Remarkable National Park
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Phone Reception
 - ✓ Allows fires
 - ✓ Telstra 4G
 - ✓ Optus 4G