“EUROPE’S VOLCANIC OUTPOST”

14-day, 13-night walking tour of volcanoes on SPAIN’s Canary Islands. Departures Dec. 22, 2017, and Feb. 3 & 17 and March 10, 2018. Group limit, 6. Highlights: Fly from Tenerife to Lanzarote/Caldera Blanca volcano/La Corona volcano and lava tube, Tacoron, La Restinga/fly to Tenerife for Teide volcano, Masca village. €2,860 (near $3,399) ppdo. Single supp., €150 ($178). Nature Discovery Tours (Kronenstr, 2, D-53840, Troisdorf, Germany; phone +49 1794 761831, www.nature-discovery-tours.com).