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Thousand Island Lake

EasyCalifornia · United States

GPX
Distance
2.5 km (1.5 mi)
Elevation gain
21 m (69 ft)
Typical time
33 min
Difficulty
Easy
Route type
Point to point
Highest point
3,015 m (9,892 ft)

About Thousand Island Lake

Thousand Island Lake is a 2.5 km hiking route in California, United States. The profile is close to flat, so the distance is the only real variable. Most people take around 33 min at a comfortable pace, plus stops. It is an easy walk that most reasonably fit visitors can finish without training.

The water is the anchor of the route, still enough on calm mornings to mirror everything above it. This is mountain terrain, and the scale of the surroundings is the reason to come.

Start and finish are in different places, which means public transport or a second car is part of the planning. It is not consistently waymarked, so carry a map or a downloaded track rather than relying on signs.

The high sections hold snow long after the valleys are green, which keeps the usable season to high summer.

In short, Thousand Island Lake suits families, first-time visitors and anyone looking for a half day outdoors. Dog access is not formally recorded here, so check locally before bringing one.

Route map

Easy2.5 km21 m

Route line from OpenStreetMap contributors, ODbL. View the source relation

Elevation

Elevation profile

Ascent
+21 m
Descent
23 m
High
3,015 m (9,892 ft)
Low
2,998 m (9,836 ft)
2993 m3000 m3007 m3013 m3020 m0.0 km0.6 km1.2 km1.8 km2.4 km

The route in detail

The route is normally walked in the direction described below. The gradient is spread evenly, so there is no single section that dictates your pace. The upper section is where the route earns its reputation, and it is also where weather changes fastest. Because the finish is away from the start, check return transport before committing to the second half.

Highlights

  • High point of 3,015 m (9,892 ft)
  • Lake
  • Mountain

Know before you go

Best season
July to September
Waymarked
Not consistently
Surface
Mixed natural surface
Dogs
Not recorded, check locally
Wheelchair access
Not accessible
Entrance fee
No fee recorded
Camping
Not recorded
Drinking water
Carry your own
Toilets
Not recorded
Mobile coverage
Patchy on the upper sections
Parking
Park at the trailhead, arrive early in high season
Emergency
112 in Europe, 911 in North America

How this trail scores

Computed from distance, ascent, terrain features, surface and access data.

Scenery
74/100

Terrain features, relief and photographic interest

Adventure
30/100

Distance, ascent and how wild the ground is

Difficulty
6/100

Effort index from distance and climbing

Accessibility
82/100

Surface, gradient and ease of reaching it

Family
81/100

Suitability for children who already walk

Dogs
70/100

Access rules, terrain and water along the way

Tips from the trail

  • Early morning and late afternoon give the best light and the quietest paths.
  • Aim for july to september for the most reliable conditions.
  • Calm mornings give mirror reflections on the water, so it is worth being there early.
  • Download the track to your phone before you leave. Signal is not guaranteed.
  • Leave nothing behind, including fruit peel, and stay on the marked line to protect the ground either side.

Warnings

  • At this altitude the weather can turn in under an hour, and temperatures drop fast once cloud arrives.
  • Outside the main season expect snow, ice or closed access on the higher sections.

Safety

Emergency services in United States are reached on 911. Tell someone your route and expected finish time before you set off, particularly if you are walking alone. Mobile coverage in the upper sections is patchy at best, so do not count on being able to call for help from the summit. If the weather deteriorates, descending the way you came is almost always the safer option.

What to bring

  • Comfortable, broken-in hiking shoes or boots
  • Weatherproof jacket
  • At least 1.5 litres of water
  • Sun hat, sunglasses and high-factor sun cream
  • Microspikes if you are walking at the edges of the season
  • Small first aid kit including blister plasters

Photography

Shoot the first hour after sunrise from the higher ground: the low angle picks out every ridge and the valleys still hold mist. Take the shot on the way out. Conditions rarely improve by the time you come back past. A wide lens captures the scale, but a short telephoto is what turns a good view into a photograph.

Frequently asked questions

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Trails near Thousand Island Lake

Other routes within a short drive, ranked by distance from this trailhead.

Waugh Lake, from trail just NW of dam. In Ansel Adams Wilderness between Donahue Pass and Agnew Pass, Mono County, California.
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Distance
1.9 km
/ 1.2 mi
Elevation gain
214 m
Typical duration
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  • Lake
  • Mountain
Banner Peak past Island Pass lake at 3120m, spring snow meltout. Ansel Adams Wilderness, Sierra Nevada USA.
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Distance
1.4 km
/ 0.9 mi
Typical duration
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  • Lake
  • Mountain
Mt Ritter and Banner Peak seen past Summit Lake, at Agnew Pass. In Ansel Adams Wilderness, Sierra Nevada, California.
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Distance
6.0 km
/ 3.7 mi
Elevation gain
351 m
Typical duration
1 hr 46 min
  • Lake
  • Mountain
Mount Ritter and Banner Peak , Ansel Adams Wilderness , California , United States
Moderate

California · United States

Distance
1.0 km
/ 0.6 mi
Elevation gain
173 m
Typical duration
28 min
  • Lake
  • Mountain
Mount Ritter and Banner Peak , Ansel Adams Wilderness , California , United States
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California · United States

Distance
0.4 km
/ 0.3 mi
Elevation gain
60 m
Typical duration
11 min
  • Lake
  • Mountain

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