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Sitka City And Borough

Thimbleberry-Heart Lake Trail

Easy

1

hikers

Thimbleberry-Heart Lake Trail

00:48

2.60km

100m

Hiking

Embark on an easy hike along the Thimbleberry-Heart Lake Trail, a 1.6-mile (2.6 km) route that winds through the lush forest ecosystems of Tongass National Forest. You will gain 338 feet (103 metres) in elevation, with most hikers completing the journey in about 47 minutes. As you explore, you will…

Last updated: April 23, 2026

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Your route passes through a protected area

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Waypoints

A

Start point

Parking

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1

751 m

Thimbleberry Lake

Highlight • Lake

Thimbleberry Lake is the larger of two lakes on this trail; the other, smaller lake is Heart Lake. There is a river ford/crossing between Heart Lake and the northeast, or Blue Lake Road, trailhead.

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2

2.01 km

Heart Lake

Highlight • Lake

Heart Lake is the smaller of two lakes on this trail; the other is Thimbleberry Lake. There is a river crossing between Heart Lake and the northeast, or Blue Lake Road, trailhead.

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3

2.59 km

Blue Lake Road Trailhead

Highlight • Trail

This is the northeast trailhead for the hike to Heart Lake and Thimbleberry Lake. There is a minor river ford between Heart Lake and this trailhead, so if you're planning …

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B

2.60 km

End point

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Way Types & Surfaces

Way Types

2.59 km

< 100 m

Surfaces

2.59 km

< 100 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

9°C

2°C

51 %

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Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park for the Thimbleberry-Heart Lake Trail?

You can access the trail from the Blue Lake Road Trailhead. Public transport is also an option, with buses capable of carrying bikes, making it easily accessible.

Is the Thimbleberry-Heart Lake Trail suitable for beginners or families?

Yes, this trail is generally considered easy to moderate, making it suitable for families and individuals with some hiking experience. The lower sections, rich with thimbleberries, are particularly engaging for younger hikers.

What is the terrain like on the trail?

The path is largely a gravel trail, but expect uneven ground with roots, rocks, and potentially muddy sections, especially after rain. While some sections involve uphill climbs, the trail has been recently refinished, making it a bit less steep from the south trailhead. Sturdy hiking boots are recommended for comfort and ankle support.

What can I see along the route?

The trail offers beautiful views of Thimbleberry Lake and the pristine Heart Lake, known for its reflective waters and panoramic vistas. You'll also pass through lush forest ecosystems, see thimbleberry bushes, and enjoy stream views, including Thimbleberry Falls.

Is the Thimbleberry-Heart Lake Trail dog-friendly?

Yes, dogs are allowed on the trail. However, it's always a good idea to keep them on a leash to ensure their safety and respect for other hikers and wildlife.

Do I need a permit or pay an entrance fee for the trail?

The Thimbleberry-Heart Lake Trail is located within the Tongass National Forest. Generally, there are no specific permits or entrance fees required for day hiking on trails like this within the forest. However, always check the latest regulations on the official Tongass National Forest website for any updates, especially if planning extended stays or specific activities.

What is the best time of year to visit the trail?

The trail is a popular year-round destination. In late summer and early fall, the thimbleberry bushes produce vibrant red berries. In summer, both lakes are popular for swimming, and in winter, they are great for ice skating. Be prepared for potentially muddy conditions after rain, regardless of the season.

What kind of wildlife might I encounter?

The area is known to have bears, especially when berries are ripe. It's important to be bear-aware, carry bear spray, and know how to use it. You'll also observe various local flora and fauna within the forest ecosystems.

How long does it typically take to hike this trail?

The estimated duration for completing the trail is around 48 minutes, covering a distance of approximately 2.6 kilometers (1.6 miles). This can vary based on your pace and how much time you spend enjoying the scenery at the lakes.

Are there any specific tips for hiking this trail?

For a potentially less steep ascent, consider starting from the south trailhead, as sections have been recently refinished. Remember to wear sturdy hiking boots due to uneven ground and potential mud. Also, be aware that while there are beautiful views, a portion of the trail runs under power lines.

Is the trail a loop or an out-and-back?

The Thimbleberry-Heart Lake Trail is primarily an out-and-back route. You can hike to Heart Lake and return the same way, or continue to the Blue Lake Road Trailhead.

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