North Lake South Lake Loop

This challenging backpacking route usually takes experienced hikers 6 to 8 days to complete. The total moving time is around 34.5 hours, but you'll need to factor in time for camping, breaks, and enjoying the stunning scenery.

No, this trail is considered strenuous and challenging, best suited for experienced backpackers. It involves significant elevation changes, including three passes over 11,000 feet, and requires a high level of physical fitness and acclimatization to high altitude.

The terrain is rugged and diverse, featuring steep ascents and descents, rocky switchbacks, and occasional talus fields. You'll traverse glacier-carved canyons, open alpine meadows, and areas with granite boulders. Expect sections that can be rooty and wet, with numerous wet crossings, especially earlier in the season.

The loop offers spectacular scenery. You'll encounter numerous alpine lakes like Lake Wanda and Helen Lake, and pass through the renowned Evolution Valley. Key landmarks include the Muir Hut at Muir Pass, and you'll cross Bishop Pass, all offering magnificent panoramic views.

Yes, a significant portion of the North Lake South Lake Loop overlaps with the famed John Muir Trail (JMT), allowing you to experience some of its most celebrated sections. The route also passes through sections of the Piute Canyon Trail and the PCT - California Section H.

The optimal time to hike is mid-summer to early fall. During this period, snow levels are generally lower on the high passes. Be aware that mosquitoes can be prevalent from early summer through mid-August.

Dogs are generally allowed on leash in the Inyo National Forest and John Muir Wilderness areas that the trail traverses. However, specific regulations apply within Kings Canyon National Park, where dogs are typically not allowed on wilderness trails. Always check the latest regulations for both the National Forest and National Park sections before planning your trip.

Yes, a wilderness permit is required for overnight backpacking on this loop, as it enters the John Muir Wilderness and Kings Canyon National Park. Permits are highly competitive and often reserved months in advance. There are no specific entrance fees for the Inyo National Forest, but standard entrance fees apply if you are entering Kings Canyon National Park via a vehicle for day use or other activities.

The loop typically starts and ends at either North Lake or South Lake trailheads, both accessible via paved roads in the Eastern Sierra. Parking is available at these trailheads, but it can fill up quickly, especially during peak season. Consider arriving early or arranging shuttle services if available.

Yes, the trail passes by numerous alpine lakes, such as Sapphire Lake, Evolution Lake, and Wanda Lake. Many of these offer refreshing, albeit cold, opportunities for a dip. Always be mindful of water quality and local regulations regarding swimming in wilderness areas.

Acclimatization to high altitude is essential, as the trail starts around 9,347 feet at North Lake, with overnight camps and passes reaching nearly 12,000 feet. It's recommended to spend a day or two at a lower elevation (around 7,000-9,000 feet) before starting to help your body adjust. This hike demands excellent physical fitness and endurance due to its length and significant elevation changes.