We are excited to host you! Yosemite Guide Service offers customized, private sightseeing tours, extraordinary day hikes and backpacking trips, and special camping outings to the most outstanding locations in Yosemite. With decades of experience and knowledge working as biologists, naturalists, and guides in Yosemite and the Sierra Nevada, YGS offers the best trips and tours in the region. We specialize in smaller groups and families for a more intimate and private experience, sharing with our guests all the famous landmarks that make Yosemite unique. Our locally based guides share their unequalled knowledge and expertise on every tour we provide, bringing a more complete understanding and increased awareness of the exceptional attributes that make Yosemite special.