Grzegorz Gawlik on different continents and in different climates. Among other things, he discovered the highest lakes in the world on the Ojos del Salado volcano and found that the highest active volcano in the world is Llullaillaco. In addition, he explored more than 100 other volcanic sites such as geyser fields, geothermal fields, volcanic caves, volcanic deserts, volcanic plateaus, volcanic craters and cones, volcanic rock formations, lava fields. He climbed to about 100 peaks 4-, 5-, 6- and 7-thousand meters in the Himalayas, Andes, Pamir, Caucasus, Cordillera, High Atlas, Tanzania, Borneo and hundreds of lower peaks. During the expeditions, Gawlik explored
Entiat Mountains stretch south to the Columbia River between the mouths of the Entiat and Wenatchee Rivers. The northern end the Entiat Range merges with the northern end of the Chelan Mountains. Most of the range is within Wenatchee National Forest. The northern end is part of the Glacier Peak Wilderness. The highest peak of the Entiat Mountains is Mount Fernow, at . Other major peaks include Seven Fingered Jack, Mount Maude, Copper Peak, Dumbell Mountain, Spectacle Buttes, and Buckskin Mountain. All these peaks are over and the three highest are over . They are all located in the northern part of