The Northern Sierra Nevada is a mountain range located in California, known for its stunning landscapes and diverse ecosystems. This region features towering peaks, deep valleys, and numerous lakes, making it a popular destination for outdoor activities such as hiking, fishing, and skiing. The area is also home to several national parks, including Yosemite National Park and Lake Tahoe. The Northern Sierra Nevada is characterized by its unique geology, which includes granite formations and ancient volcanic rock. The climate varies from snowy winters to warm summers, supporting a variety of plant and animal life. This region plays a crucial role in California's water supply, as many rivers originate in the Sierra Nevada mountains.