For those camping on the cheap, here are some great campsites we found near Warriewood Beach, NSW.
#10 The Great North Walk Camping Area
1 hour 44 minutes (93.6 km) drive from Warriewood Beach
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              - ✓ Free
 - ✓ National Parks
 - ✓ Phone Reception
 - ✓ Walking Trails
 - ✓ Allows fires
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#9 Ourimbah Rest Area
1 hour 16 minutes (83.6 km) drive from Warriewood Beach
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              - ✓ Pets Allowed
 - ✓ Free
 - ✓ Toilets
 - ✓ Phone Reception
 - ✓ Water (Non Drinking)
 - ✓ Kids play park
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#8 Colo Meroo
1 hour 30 minutes (79.3 km) drive from Warriewood Beach
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              - ✓ Free
 - ✓ Toilets
 - ✓ Allotted Site
 - ✓ National Parks
 - ✓ Phone Reception
 - ✓ Swimming
 - ✓ Allows fires
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#7 Wanderest Travellers Park
1 hour 21 minutes (74.1 km) drive from Warriewood Beach
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              - ✓ Pets Allowed
 - ✓ Toilets
 - ✓ Drinking Water
 - ✓ Powered sites
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ Car
 - ✓ Showers
 - ✓ Wifi
 - ✓ Phone Reception
 - ✓ Dump Spot
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#6 Gentlemans Halt Campground
1 hour 55 minutes (73 km) drive from Warriewood Beach
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              - ✓ Free
 - ✓ Toilets
 - ✓ BBQ Areas
 - ✓ Short walk to car
 - ✓ National Parks
 - ✓ Hike in
 - ✓ Phone Reception
 - ✓ Biking
 - ✓ Hiking
 - ✓ Fishing
 - ✓ Optus 4G
 
#5 Twin Beaches campground
4 hours 58 minutes (59.2 km) drive from Warriewood Beach
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              - ✓ Free
 - ✓ Toilets
 - ✓ BBQ Areas
 - ✓ National Parks
 - ✓ Hike in
 - ✓ Phone Reception
 - ✓ Telstra 4G
 - ✓ Optus 4G
 
#4 Pindar Cave
Pindar Cave (Brisbane Water National Park), Pindar Walking Track, Wondabyne NSW, Australia Get directions- ✓ Free
 - ✓ National Parks
 - ✓ Hike in
 - ✓ Phone Reception
 - ✓ Water (Non Drinking)
 - ✓ Hiking
 - ✓ Walking Trails
 - ✓ Allows fires
 
#3 Marramarra Creek campground
- ✓ Toilets
 - ✓ BBQ Areas
 - ✓ Allotted Site
 - ✓ National Parks
 - ✓ Hike in
 - ✓ Allows fires
 
#2 Olney Headquarters
- ✓ Pets Allowed
 - ✓ Free
 - ✓ Toilets
 - ✓ BBQ Areas
 - ✓ Next to car
 - ✓ Short walk to car
 - ✓ Caravans
 - ✓ Camper Trailers
 - ✓ State Forest
 - ✓ Car
 - ✓ Disabled Access
 - ✓ Phone Reception
 - ✓ Garbage
 - ✓ Water (Non Drinking)
 - ✓ Walking Trails
 - ✓ Allows fires
 - ✓ Telstra 4G