Wheeler Peak Summit Trail Great Basin is a premier hiking destination in Baker, Nevada, covering 8.6 miles with 2900ft of elevation gain. Stats: 8.6 miles, 2900ft gain, Hard. Type: Out-and-Back. Surface: Rock/Dirt. Time: 6-8 hours. Fee: $0 (Great Basin NP free). Dogs: Yes. Permit: No. Wildlife: marmots, pikas, Clark's nutcrackers, golden eagles, mule deer. Best seasons: July through September for clear summits; ancient bristlecone pine forest en route. Wheeler Peak at 13,063 feet is Nevada's second-highest summit. The approach passes the only permanent glacier in the Great Basin and a 4,900-year-old bristlecone pine forest. Pack plenty of water — desert and high-altitude trails demand more hydration than you expect. Layers are essential above 10,000 feet. Leave No Trace: stay on designated trails, pack out all waste, and respect wildlife and other visitors.