Instructions to installing: You have to get openiv installed.
(If you have no custom maps mod) Drop the SlimDX.dll into your main gta folder, run OpenIV, go on: mods/update/x64/dlcpacks, then drop the file “custom_maps” into.
Next, you have to go on mods/update/update.rpf/common/data, scroll down to edit dlclist.xml and add line:
dlcpacks:\custom_maps\
Then save.
When you’Il have installed custom_maps, you have to go on: mods/update/x64/dlcpacks/custom maps/dlc.rpf/x64/levels/gta5/citye/maps/custom_maps.rpf, then drop the file “camping.ymap” into this folder
If you done, you can just run a game and go on location of camping.
Credits:
YouTuPaVLo