City: Nullarbor
The 38k Peg Rest Area is a large level gravel area to park your caravan for an hour or two. The Cliffs overlooking the Ocean are just a short walk away if you want to grab a photo.
The 42k Peg Scenic Lookout parking area is on a gravel surface with no amenities, and it's a short drive off the Eyre Highway with a Beautiful view of the Great Australian Bight, so plenty of room to let your pet have a run if you like.
The Koonalda Rest Area is a flat desolate area, with the only shade available being the undercover picnic table. There are rubbish bins located her also, with room for your caravan or motorhome.
The Nullarbor Rest Area is located on a rough gravel surface with Ocean Views. It's not too far from the Eyre Highway and worth the drive, once there you will find a fair amount of room to park your caravan, and stretch your legs.