2.7
(27)
28
hikers
03:31
9.94km
890m
Hiking
Embark on a moderate hiking journey from Muir Trail Ranch to Heart Lake, covering 6.2 miles (9.9 km) with a significant elevation gain of 2929 feet (893 metres). This route typically takes around 3 hours and 31 minutes to complete, offering a challenging yet rewarding experience. As you ascend, you…
Last updated: April 23, 2026
Tips
Your route passes through a protected area
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Waypoints
Highlight • Mountain Hut
Tip by
4.72 km
Highlight • River
Tip by
8.71 km
Highlight • Lake
Tip by
9.86 km
Highlight • Lake
Tip by
9.94 km
End point
Way Types & Surfaces
Way Types
9.91 km
< 100 m
Surfaces
9.94 km
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Elevation
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Wednesday 6 May
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This route was planned by komoot.
While komoot rates this route as 'moderate', the terrain from Muir Trail Ranch towards Heart Lake, especially as part of the John Muir Trail, is generally considered challenging. You can expect significant elevation changes, rocky paths, and steep ascents and descents. It's not typically recommended for beginners due to its demanding nature.
The komoot tour data estimates this hike to take approximately 3 hours and 31 minutes. However, this is an estimated moving time. Depending on your pace, breaks, and the challenging terrain, it could take longer. Plan for a full day to enjoy the scenery and navigate the ascents.
This route takes you through the stunning John Muir Wilderness, offering spectacular views. You'll traverse diverse terrain with breathtaking views of surrounding mountains and lake basins. Expect to see forested areas, especially around Sallie Keyes Lakes, and expansive views from higher elevations. Heart Lake itself is often described as being heart-shaped.
The trail offers several notable points of interest. You'll start near Muir Trail Ranch, a significant resupply point for JMT hikers. Along the way, you'll pass by Senger Creek and the beautiful Sallie Keyes Lakes before reaching your destination, Heart Lake.
Yes, hiking in the John Muir Wilderness, especially for overnight trips, requires a wilderness permit. Day hikes may not always require a permit, but it's crucial to check with the Sierra National Forest or Inyo National Forest for the most current regulations, as permit requirements can change and vary by entry point and season. Always secure your permits well in advance, especially for popular routes like those connected to the John Muir Trail.
When hiking in the John Muir Wilderness, you must adhere to Leave No Trace principles. This includes proper waste disposal, carrying out all trash, and minimizing impact on the environment. Campfires may be restricted, especially during dry seasons, and food storage in bear-resistant containers is often required for overnight stays. Always check the latest regulations from the managing forest service (Sierra or Inyo National Forest) before your trip.
Dogs are generally allowed on trails within the John Muir Wilderness, which is part of the Sierra National Forest. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers. Always pack out your dog's waste. Be aware that some areas or specific trails might have different regulations, so it's always best to confirm with the local ranger district.
The best time to hike this trail is typically from late spring to early fall (June through September). During these months, snow has usually melted from higher elevations, and the weather is generally more stable. Early season (June) might still have some snow patches, while late season (September/October) offers cooler temperatures and fewer crowds, but be prepared for potential early snowfalls. Winter hiking is extremely challenging and requires specialized gear and experience.
Access to Muir Trail Ranch is often via Florence Lake. Parking is available at the Florence Lake trailhead. From there, you typically take a ferry across Florence Lake, followed by a short hike or shuttle to Muir Trail Ranch itself. It's essential to plan your logistics for reaching Florence Lake and then Muir Trail Ranch, as direct vehicle access to the ranch is limited.
Yes, this route is a significant segment of the iconic John Muir Trail (JMT), with 88% of the path following the JMT. It also overlaps with sections of the Pacific Crest Trail (PCT - California Section H) for 88% of its length. Additionally, you'll find yourself on parts of the Florence Lake Trail (7%) and the Sallie Keyes Cutoff Trail (17%).
Yes, Muir Trail Ranch is a critical resupply point for John Muir Trail thru-hikers, offering amenities like filtered water and a hiker store. A unique feature in the broader area is the presence of hot springs near the ranch, which can provide a welcome opportunity for relaxation after a challenging hike. These amenities make it a strategic stop for many long-distance backpackers.