Located in the heart of Grand Teton National Park, the Delta Lake Hike has become a bucket-list adventure for hiking enthusiasts seeking a blend of natural beauty and physical challenge. This stunning alpine lake, known for its striking glacial turquoise waters, sits beneath the towering peaks of the Teton Range. Unlike more accessible trails in the park, the Delta Lake Hike demands determination and a willingness to go off the beaten path—literally.
What sets the Delta Lake Hike apart is not only the dazzling color of the lake but also the panoramic mountain views, boulder scrambles, and the sense of isolation in a lesser-traveled section of the park. As more adventurers share photos of Delta Lake on social media, its popularity continues to rise, drawing those eager to witness this hidden gem firsthand.
Where is Delta Lake?
Delta Lake is tucked high in the Teton Range of Grand Teton National Park, located in northwestern Wyoming, near the town of Jackson Hole. The journey begins at the Lupine Meadows Trailhead, which also serves as the starting point for several other notable hikes, including Amphitheater and Surprise Lakes.
From the trailhead, hikers ascend steep switchbacks until they reach an unmarked turnoff that leads to Delta Lake. The lake itself sits just below Disappointment Peak, providing hikers with a dramatic alpine backdrop once they arrive.
Quick Facts About the Delta Lake Hike
- Trail Length: Approximately 7.4 miles round trip
- Elevation Gain: Roughly 2,300 feet
- Trail Difficulty: Moderate to strenuous – especially due to the unmaintained trail section and boulder field
- Estimated Duration: Around 4 to 7 hours, depending on pace, trail conditions, and rest time
This hike is ideal for those with good physical fitness and some hiking experience. Although not officially marked after a certain point, the trail to Delta Lake is well-traveled and rewarding for those who navigate it carefully.
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How to Get to the Delta Lake Hike?
To reach the trailhead for the Delta Lake hike, head to the Lupine Meadows Trailhead in Grand Teton National Park, Wyoming. From the town of Jackson, drive north on US-191/US-89/US-26 and enter the park through the Moose Entrance Station. Follow signs toward Jenny Lake, then turn onto the dirt road leading to the Lupine Meadows parking area.
The road is unpaved but typically accessible to most vehicles during summer. Parking is limited and fills quickly, so plan to arrive early in the morning—ideally before 7:00 AM—especially during peak season. There is no public transportation or shuttle service to this trailhead, so driving your own vehicle or arranging a taxi or ride-share from Jackson is the best option.
Trail Description and Route Overview
1. Lupine Meadows to Amphitheater Lake Junction
The hike starts on a well-maintained trail from the Lupine Meadows Trailhead, winding through shaded forests with gentle inclines that gradually turn into steep switchbacks. This section is part of the Amphitheater Lake Trail, which is heavily trafficked and marked with clear signage.
2. The Unmarked Turn-Off to Delta Lake
Around 3 miles in, you’ll reach a series of switchbacks. Look for a faint social trail branching off to the right—this is the unmaintained path to Delta Lake. There are no official markers here, so it’s important to study maps in advance or use GPS tools like AllTrails or Gaia.
3. Boulder Scramble and Final Ascent
The unmaintained portion leads you through a dense forest before arriving at a massive boulder field. Here, you’ll navigate large granite rocks, some requiring light scrambling. Follow the most worn path and occasional cairns (rock piles) left by fellow hikers. The last push to the lake is steep but short, and utterly rewarding.
What to Expect on the Trail?
From start to finish, the Delta Lake Hike offers a variety of terrain and scenery. The lower portion of the trail winds through pine forests teeming with wildflowers in summer and occasional wildlife sightings, including marmots, deer, and even black bears (so carry bear spray).
As you ascend, the trail becomes steeper and more strenuous, especially after the unmarked turn-off. The boulder fields demand careful footing and a slow pace—many rocks are loose, and this is where most hikers find the route challenging. It’s important to take your time and stay alert.
Once you make it past the scramble, you’re rewarded with the breathtaking view of Delta Lake, cradled below rugged peaks and glowing turquoise from glacial melt. The contrast of crystal-clear water against dramatic alpine rock makes this one of the most Instagram-worthy—and soul-stirring—views in the Tetons.
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Best Time to Hike Delta Lake
The best time to hike Delta Lake is between late June and early October, when the trail is generally clear of snow and the lake’s stunning turquoise color is at its brightest. During this period, temperatures are mild, the alpine scenery is lush, and the days are long enough to comfortably complete the hike.
However, summer weather in the Tetons can change quickly, with afternoon thunderstorms being common, so it’s best to start your hike early in the morning. In early summer or late fall, snow and ice may still cover parts of the trail, especially near the boulder field, making the hike more dangerous and physically demanding. Always check the current trail and weather conditions before setting out to ensure a safe and enjoyable experience.
What to Pack for the Delta Lake Hike?
Packing smart for the Delta Lake hike ensures a safe and enjoyable experience. Here’s what you’ll need for the challenging trail and changing mountain conditions.
1. Gear and Clothing
Start with comfortable, moisture-wicking layers to adapt to changing mountain temperatures. A lightweight, weather-resistant jacket is essential, especially during early morning hikes or unexpected rain. Wear sturdy hiking boots with ankle support and good traction—especially important for the rocky and uneven terrain near Delta Lake.
A well-fitted backpack should carry all your gear while keeping weight balanced and accessible. Optional but helpful gear includes hiking gloves for scrambling over boulders and a hat or sunglasses for sun protection.
2. Hydration and Nutrition
Bring at least 2–3 liters of water per person, as there are no safe water sources on the trail unless you have a filter or purifier. Electrolyte packets can help replenish salts lost through sweat. For nutrition, pack high-energy snacks like trail mix, energy bars, jerky, or fruit. If you’re planning to stay near the lake for a while, consider bringing a compact lunch. Avoid overly salty foods and always pack out all wrappers and leftovers to preserve the trail.
3. Navigation and Tools
Since the trail to Delta Lake includes an unmarked section, proper navigation tools are crucial. Download an offline map on apps like AllTrails, Gaia GPS, or use a dedicated GPS device. Carry a printed trail map as a backup in case batteries die. Trekking poles can greatly help with stability during the steep climbs and rocky scrambles. Also, pack a headlamp or flashlight—even if you plan to return well before sunset—as delays on the trail can happen unexpectedly.
4. Safety Essentials
Delta Lake is located in bear country, so carrying bear spray is non-negotiable, and you should know how to use it. A first aid kit with blister care, bandages, and pain relievers is recommended for even short hikes. Also include a multi-tool or small knife, emergency whistle, and space blanket for unexpected situations. Mobile service is limited, so inform someone of your plans and estimated return time before heading out. Dressing in layers and packing a lightweight emergency shelter or tarp can also be smart for added safety in case of weather changes.
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Hiking Safety Tips for the Delta Lake Hike
- Plan ahead. Let someone know your route, starting time, and expected return before heading to the trail.
- Dress appropriately. Wear moisture-wicking, layered clothing and light colors to manage changing weather conditions.
- Choose the right footwear. Sturdy hiking boots with ankle support are essential for navigating steep terrain and boulder fields.
- Protect yourself from the sun. Bring sunglasses, a wide-brimmed hat, and apply high-SPF sunscreen regularly.
- Pack essential supplies. Include water (2–3 liters), snacks, a first aid kit, bear spray, a headlamp, and a GPS device or offline map.
- Avoid alcohol and caffeine. These can cause dehydration and impair judgment at higher altitudes.
- Hike with a partner. It’s safer to travel in groups. Let slower hikers lead to set a manageable pace.
- Be wildlife aware. Make noise to avoid surprising bears, and keep a safe distance from all animals.
- Stay on the trail where marked. Follow established paths when possible, especially during the initial ascent. Use caution and follow cairns carefully on the unmaintained section.
- Know your limits. The hike is strenuous—turn back if the weather worsens or you feel overly fatigued.
FAQs about the Delta Lake Hike
Can beginners hike to Delta Lake?
Not recommended. While the first half of the trail is manageable, the final ascent involves unmaintained routes and scrambling, which can be difficult and dangerous for beginners.
Is the trail marked?
The main trail to Amphitheater Lake is well-marked. However, the turn-off to Delta Lake is not marked, and hikers must rely on GPS or familiarity with the route.
Are dogs allowed on the trail?
No. Dogs are not permitted on trails in Grand Teton National Park, including the Delta Lake hike.
Are permits required?
No permit is required for day hiking to Delta Lake. However, backcountry camping in the area does require a permit from the park service.
Final Thoughts
The Delta Lake Hike is one of the most rewarding alpine adventures in Grand Teton National Park. With its stunning views, glacial blue waters, and immersive wilderness experience, it offers something truly special for well-prepared hikers.
While the Delta Lake Hike poses some challenges—especially the final unmaintained stretch—those who come equipped with proper gear, physical fitness, and a sense of adventure are in for an unforgettable day on the trail.
Plan responsibly, respect the wilderness, and let the beauty of the Delta Lake Hike inspire your next big mountain journey.
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