Take a moderate 3-miles round-trip hiking tour and become acquainted with the Rio Grande, Chihuahuan Desert uplands, the riparian river area of the northern Mesilla Valley and the beginning of the Jornada del Muerto. Meet at Leasburg Dam State Park Visitor Center. Map www.emnrd.state.nm.us/SPD/leasburgdamstatepark.html. There is a fee of $5 fee per vehicle. Bring at least two quarts of water per person, good hiking shoes, sunscreen and insect repellant. Wear a hat and a long-sleeve shirt. For more information, contact Park Ranger Alex Mares, 575-524-4068, firstname.lastname@example.org.