You don't need much to achieve Number 4 on the adventurers list from 50 things you should do outdoors....throws and pegs are good and a washing line if handy or a tree to peg the sheets up with.
A cool drink and a good book....curl up and read in your shady spot.
I've just finished ITCH by Simon Mayo....off to the library to see if I can get a copy of 'Itch Rocks', the next instalment.