From Dos d'Ane you can walk into the Cirque de Mafate via the Rivière des Galets route. For a shorter ramble, there are superb views to be had from the Cap Noir kiosk, about 20 minutes from the Cap Noir car park above Dos d'Ane (it's signposted), or from the Roche Verre Bouteille lookout, less than an hour's walk from the car park. It's possible to do a loop combining the two lookouts (about 1½ hours).