eruptive activity within the entire Indian Heaven field. Red Mountain, which has an elevation of , marks the southernmost point of the shield volcanoes in the volcanic field, while Sawtooth Mountain is the northernmost volcano. Recreation Within the Indian Heaven Wilderness, visitors can fish in lakes and ponds, hike, backpack, ride horses, and view wildlife. A popular trail is the Indian Heaven loop, which runs for from the Cultus Creek campground. Following the Indian Heaven Trail to Deep Trail and then Lemei Lake Trail, it passes through meadows and lakes to join the Pacific Crest Trail before it returns to the Cultus Creek campground where it starts. After the climb from the final paved road to enter the wilderness area, which lasts about , hiking in Indian Heaven is relatively undemanding. However, trails can vary in difficulty for horseback riders and hikers. The Lake Wapiki trail, in length, gains in elevation and provides scenic views of Mount Adams and Mount Rainier. The Blue Lake trail in the Indian Heaven wilderness area runs for ; together with the Lemei Lake Trail, it forms a loop that last . A moderate hike, it offers views of lakes, ponds, meadows, and forests, as well as access to popular fishing lakes like Dee Lake, Heather Lake, Thomas Lake, and Eunice Lake. These lakes are also popular swimming spots, particularly among hikers with children. Before it merges with the Pacific Crest Trail, the route arrives at the Blue Lake, which has a depth of and marks the deepest lake within the entire wilderness. Blue Lake was carved by glacial motion. One of the most popular camping spots is the Goose Lake Campground, which is frequented by fishermen, boaters, and swimmers. Operated by the United States Forest Service, the campground remains open from July through October. A designated camp site near Thomas and Blue Lakes within the wilderness was created by wilderness managers for the Gifford Pinchot National Forest, with the hope that it would mitigate resource damage in high use area and focus visitor use impact to smaller, more compact areas. See also Cascade Volcanoes List of volcanoes in the United States Indian Heaven Wilderness Footnotes [a] Sources disagree on the exact number of vents; Harris (2005) says there are 48 vents, while Hildreth (2007) claims there are 52. [b] The United States Forest Service lists the acreage for the Indian Heaven Wilderness as both