WLassen National Forest is a United States national forest of 1,700 square miles (4,300 km2) in northeastern California. It is named after pioneer Peter Lassen, who mined, ranched and promoted the area to emigrant parties in the 1850s.
WAstragalus inversus is a species of milkvetch known by the common name Susanville milkvetch.
WMonardella follettii is an uncommon species of flowering plant in the mint family known by the common name Follett's monardella.
WThe Caribou Wilderness is a federally designated wilderness area created by the Wilderness Act of 1964 and is part of the National Wilderness Preservation System. It is located 60 miles (97 km) east of Redding in the state of California, USA. The Caribou Wilderness comprises 20,546 acres (83.15 km2) and is adjacent to the east side of Lassen Volcanic National Park. Although the park is surrounded by Lassen National Forest, it is managed separately by the National Park Service, whereas the U.S. Forest Service manages the wilderness.
WHat Creek is a 48.7-mile-long (78.4 km) stream and tributary of the Pit River, located in Shasta County of northern California.
WThe Ishi Wilderness is a 41,339 acre wilderness area located on the Lassen National Forest in the Shasta Cascade foothills of northern California, United States. The Ishi Wilderness is located approximately twenty miles east of Red Bluff, California. The wilderness was created when the US Congress passed the California Wilderness Act of 1984. The land is etched by wind and water, and dotted with basalt outcroppings, caves, and unusual pillar lava formations. The land is a series of east-west running ridges framed by rugged river canyons, with the highest ridges attaining elevations of 4,000 feet (1,200 m). Deer Creek and Mill Creek are the principal drainages and flow into the Sacramento River.
WLassen Volcanic National Park is an American national park in northeastern California. The dominant feature of the park is Lassen Peak, the largest plug dome volcano in the world and the southernmost volcano in the Cascade Range. Lassen Volcanic National Park started as two separate national monuments designated by President Theodore Roosevelt in 1907: Cinder Cone National Monument and Lassen Peak National Monument.
WThe Susan River is a northeastern California river of approximately 67 miles (108 km) length that drains from an arid plateau of volcanic highlands along the Great Basin Divide to intermittent Honey Lake. The river flows from eastern Lassen County from east of Lassen Volcanic National Park generally east past Susanville and emerging into a ranching valley to enter the north end of Honey Lake. Along with Fredonyer Pass, the Susan River is the northern boundary of the Sierra Nevada.
WThe Thousand Lakes Wilderness is located within the southern portion of the Cascade Range in northeastern California. The 16,335-acre (66 km2) wilderness was established in 1964 with the passage of the Wilderness Act and is administered by Lassen National Forest. The area lies within Shasta County, midway between the town of Burney and Lassen Volcanic National Park.
WThe Whaleback Fire was a wildfire that burned on Whaleback Mountain in Spaulding, approximately 20 miles northwest of Susanville in Lassen County, California, in the United States. First reported on July 27, 2018, the Whaleback Fire burned 18,703 acres (76 km2), before it was fully contained on August 7. The fire caused evacuations in the community of Spaulding and led to closures of portions of Lassen National Forest.