Bertha Trailhead
Bertha Trailhead overlook in Glacier National Park frames a winding lake with jagged mountains and a bright sky.
Bertha Trailhead overlook along a glacial valley and bright alpine lake in Glacier National Park
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Bertha Trailhead

Trails★★★★☆
Last Updated: December 2025

Overview

About This Trail

A demanding 10.4-mile out-and-back hike from Waterton to Bertha Lake. Expect 2,450 ft of elevation gain and 5–7 hours for fit hikers, with rocky upper sections and limited shade.

Highlights

Difficulty Level

Moderate

Hike If / Skip If

Best for hikers with solid endurance and experience with long days on exposed, uneven terrain. Not ideal for beginners; trekking poles and sturdy ankle-support boots are strongly recommended.

Trail Highlights

Bertha Lake with turquoise water and red argillite rocks; waterfalls along the route; Bertha Point lookout over Upper Waterton Lake

The Sweat Reality

Officially rated moderate, but Bertha Lake Trail is demanding: 10.4 miles round-trip with about 2,450 feet of elevation gain. Expect 5–7 hours for fit hikers; the surface shifts from packed dirt to loose rock and scree in the upper half.

The Arrival Protocol

No official shuttle service. With limited parking, carpool and arrive early; if the lot is full, be prepared for a wait or to adjust plans.

The Payoff

Photo spots include Bertha Lake with distant mountain views, the rocky upper slopes, and viewpoints along Cameron Lake Road. Bring a wide-angle lens for the lake and a telephoto for distant peaks.

Insider Tips

• Consider hiking the loop around Bertha Lake for different perspectives. • Start early to beat crowds or hike later in the day. • Bear spray and loudness; stay on trail. • Trekking poles help on slippery/icy sections. • Pack water and snacks for the lake edge and Bertha Point.

Best Season to Hike

April–October; peak conditions July–September

Hiking Tips

  • Carry water: at least 2 liters.
  • Wear sturdy footwear and trekking poles for slick or icy sections.
  • Bear spray and loud noise on approach.
  • Filter water from the outlet stream or Bertha Lake.
  • Start early; stay focused through switchbacks and rocky sections.

Family Info

Lower Bertha Falls is easier and suitable for families; the ascent to Bertha Lake is steeper

ℹ️ Data Sources

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