The present research work entitled "assessing physical and sensory of four varieties of coffee (Coffea arabica L.) tolerant to rust (Hemileia vastatrix), in relation to two ecological floors of the provinces of Lamas and Rioja", was carried out in order to evaluate the physical characteristic of the fruit of the coffee, and sensory characteristics through wet mill, pulp removal by hand, natural fermentation and drying Sun. Sensory tests were conducted using a scale of 6-10 points (SCAA, 2005); to qualify each of the sensory attributes of varieties tolerant to rust from the provinces of Lamas and La Rioja: catuai, Caturra, Pache and Catimor as a witness by having Rust tolerant genes; in relation to two ecological floors: 800-1000 msnm and 1000-1200 msnm. For this we used a design completely at random (DCA) with 4 x 2 factorial arrangement, where the factors are variety and altitude, whose...