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Routes
Hiking trails & Routes
United States
Montana
Glacier County

Grinnell Lake Trail

Easy

2.8

(24)

84

hikers

Grinnell Lake Trail

01:40

6.33km

60m

Hiking

Embark on the easy Grinnell Lake Trail, a 3.9-mile (6.3 km) hike that takes about 1 hour and 40 minutes to complete. You will gain a gentle 198 feet (60 metres) in elevation, making this route accessible for many. The path winds through a lush forest, offering glimpses of the…

Last updated: April 23, 2026

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Your route passes through a protected area

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Waypoints

A

Start point

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1

139 m

Many Glacier Hotel

Highlight • Rest Area

Big five-story hotel in the heart of Glacier National Park. From the hotel, you'll be able to enjoy almost everything Glacier National Park has to offer on day trips. Only …

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2

1.03 km

Swiftcurrent Lake

Highlight • Lake

Beautiful lake, with easy walking paths on both sides

Translated by Google •

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3

1.82 km

Swiftcurrent Lake Trail

Highlight • Trail

Easy to walk paths, quickly muddy when it rains. Mostly flat

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4

2.19 km

The Morning Eagle is a tour boat and historical landmark on Lake Josephine. The 45-foot wooden vessel has a maximum occupancy of 49 passengers. Lake Josephine is one of the prettiest family-friendly accessible lakes in Glacier National Park.

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5

4.16 km

Narrow wooden bridge that leads over the inflow of the lake, often moose nearby

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6

5.84 km

Cataract Creek Crossing

Highlight • Bridge

Fun little creek crossing over planks. Don't lose your balance! ;-)

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B

6.33 km

Grinnell Lake

Highlight • Lake

A pristine mountain lake that is 100% worth the hike up. From this spot you have a beautiful view all the way to the waterfalls flowing down from Mount Grinnell and Upper Grinnell Lake.

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Way Types & Surfaces

Way Types

5.96 km

257 m

< 100 m

< 100 m

Surfaces

5.88 km

289 m

133 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Monday 1 June

6°C

2°C

98 %

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Max wind speed: 8.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Is the Grinnell Lake Trail suitable for beginners or families?

Yes, the Grinnell Lake Trail is generally considered easy to non-strenuous, making it suitable for a wide range of hikers, including families and beginners. The full out-and-back route from the Many Glacier Hotel is approximately 6.3 km (3.9 miles) one way, with minimal elevation gain. There is one slightly steeper section, a 150-foot rise over a quarter-mile, near Lake Josephine.

Are there options to shorten the hike to Grinnell Lake?

Absolutely! A popular option to shorten the hike is to take a two-lake boat shuttle across Swiftcurrent Lake and Lake Josephine. This significantly reduces the hiking distance, making it as short as 2.4 to 3 miles round trip from the boat dock to Grinnell Lake.

What is the terrain like on the Grinnell Lake Trail?

The trail primarily consists of a mostly level path, often described as a "walk in the woods." It follows the shores of Swiftcurrent Lake and Lake Josephine, traversing through a dense evergreen forest. Hikers will encounter a well-defined path, some potentially muddy sections, and a bouncy cable bridge over Cataract Creek Crossing. Near the end, before reaching Grinnell Lake, there are wooden planks that cross boggy areas.

What can I see along the route to Grinnell Lake?

The trail offers continuous breathtaking scenery. You'll enjoy views of Swiftcurrent Lake and Lake Josephine, dramatic surrounding peaks like Grinnell Point and Mount Gould, and glimpses of Salamander Glacier. Notable features include the Cataract Creek Crossing bridge, and the stunning turquoise waters of Grinnell Lake itself. A short spur trail near Cataract Creek also leads to Hidden Falls.

What wildlife might I encounter on the trail?

The area is known for its diverse wildlife. Hikers have possibilities of encountering moose, grizzly bears, bighorn sheep, and marmots. Always be bear aware and carry bear spray when hiking in Glacier National Park.

What is the best time of year to hike to Grinnell Lake?

The best time to hike the Grinnell Lake Trail is typically from late June or early July through September. During this period, the trail is usually snow-free, and the weather is most favorable. Mid-summer offers the most vibrant waterfalls and lush scenery.

Where does the Grinnell Lake Trail start, and what are the parking options?

The trail typically starts near the Many Glacier Hotel in Glacier National Park. Parking is available at the hotel or nearby parking lots. During peak season, parking can fill up quickly, so it's advisable to arrive early in the morning.

Do I need a permit or pay an entrance fee for Glacier National Park?

Yes, you will need to pay an entrance fee to enter Glacier National Park. Additionally, during peak season (typically late May through early September), a vehicle reservation may be required for certain areas of the park, including the Many Glacier area where this trail is located. Check the official Glacier National Park website for the most current regulations and reservation requirements before your visit.

Is the Grinnell Lake Trail dog-friendly?

No, dogs are generally not permitted on hiking trails in Glacier National Park, including the Grinnell Lake Trail. This is to protect wildlife and ensure the safety of all visitors. Dogs are allowed in developed areas, along paved roads, and in campgrounds, but must be on a leash no longer than 6 feet.

Is the Grinnell Lake Trail a loop or an out-and-back route?

The Grinnell Lake Trail is primarily an out-and-back route. You hike to Grinnell Lake and then return along the same path. However, the boat shuttle option can create a partial loop experience by allowing you to hike one way and boat the other.

Does the trail intersect with other paths?

Yes, the route also passes through sections of the North Shore Josephine Lake Trail and the Swiftcurrent Lake Trail. It also briefly overlaps with the CDT - Idaho & Montana Section.

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