Canyoning, which involves hiking the canyons of the rain forests, usually along and through rivers, sliding over the rocks, then plunging down the cascades into icy pools, is relatively new to Martinique. It's ordinarily a costly sport, but members of Club d'Escalade et Montagne (0596/52-64-04 for Pascal Gall; 0596/61-48-41 for Patrick Picard; 0696/26-07-78 for Olivier Motton), who can be called directly at their homes, will guide those wanting to experience this wet adventure for EUR 25 for a four- to six-hour trek.