Big Heart Lake

While the intro mentions the best time to visit is summer, winter hiking to Big Heart Lake is generally not recommended for most visitors due to its high elevation and remote location. The trail would be covered in significant snow, requiring advanced winter mountaineering skills, avalanche awareness, and specialized gear like snowshoes or skis. Conditions can be extremely challenging and dangerous.

The round-trip hike to Big Heart Lake is 14.6 miles (23.5 km) with over 3,000 feet of elevation gain. For most experienced hikers, this is a very strenuous full-day endeavor, often taking 10-14 hours to complete. Many choose to make it an overnight backpacking trip to fully enjoy the lake and break up the long distance.

Big Heart Lake itself is a challenging, long-distance hike not suitable for young children or those seeking an easy outing. However, the West Fork Foss River system, which includes the trail to Big Heart Lake, offers access to other lakes like Trout Lake and Copper Lake. While still requiring effort, some sections of the trail to these closer lakes might be considered less strenuous than the full journey to Big Heart Lake, though they are still within a wilderness area.

Yes, Big Heart Lake is located within the Alpine Lakes Wilderness, which generally allows dogs on trails. However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Given the length and difficulty of the hike, ensure your dog is fit enough for such a strenuous journey and carry enough water for both of you.

Visitors need two main things: a Northwest Forest Pass for parking at the trailhead, and a self-issued Alpine Lakes Wilderness permit. The wilderness permit can typically be obtained at the trailhead and is free, serving to track visitor numbers and educate about wilderness regulations.

Big Heart Lake is a popular destination, and while its remoteness helps thin out crowds compared to more accessible spots, the trailhead parking can fill up quickly, especially on summer weekends. Arriving early in the morning is highly recommended to secure a parking spot and enjoy more solitude on the trail and at the lake.

Yes, wild swimming is permitted in Big Heart Lake. The water is typically very cold, even in summer, due to its high alpine elevation. Be prepared for chilly temperatures, but the clear, deep blue waters offer a refreshing dip after a long hike.

The Alpine Lakes Wilderness is home to various wildlife. While specific sightings are never guaranteed, you might encounter deer, marmots, pikas, and a variety of bird species. Black bears are also present in the area, so proper food storage is essential for backpackers. The lake itself supports trout, which have been stocked over the years.

The Big Heart Lake trailhead is located in a relatively remote area off Foss River Road, near Skykomish. There are no immediate cafes, pubs, or dedicated accommodation options right at the trailhead. Skykomish, a small town a short drive away, offers limited services, including a few small eateries and lodging options. It's best to plan for self-sufficiency regarding food, water, and overnight stays.

Big Heart Lake is a prime example of a high-elevation alpine lake. Despite its clear waters, the overall productivity for fish growth is relatively low throughout the year, sometimes leading to trout with disproportionately large heads due to food scarcity. During the summer, however, mayfly hatches are a common occurrence, providing a temporary food source for the stocked rainbow and cutthroat trout.

The trail to Big Heart Lake is renowned for passing several other beautiful subalpine lakes, including Trout Lake, Copper Lake, and Little Heart Lake, each offering stunning views. Additionally, the lake's outlet forms impressive waterfalls, contributing to the numerous cascades found throughout the West Fork Foss River valley, making the journey itself a scenic experience.