Park in the large car park at Formentor beach (mostly covered and often free).
At the start of the walk, you follow an unsightly embankment, then cross a few firebreaks. The walk is through woodland for most of the way, but on the return journey the climb up to Col de Olivardar with the sun at its zenith can be a bit of a struggle.
Cala Murta is a good spot for a swim (bring shoes as the beach is pebbly). The end of the walk is a great spot for a picnic.
The return journey follows the same route in the opposite direction.