Into the Alpine: Conquering the Trail to Chasm Lake

Chasm Lake | 05

Summit Series: Essential Hiking Guides is a series dedicated to providing hikers of all abilities clear and concise information in an easy-to-read format that is readable in just a few minutes while providing you with all essential information in just one place.

Overview: Hiking Chasm Lake

Chasm Lake is a stunning alpine lake located in Rocky Mountain National Park, Colorado, sitting at an elevation of 11,760 feet (3,585 meters). It is situated at the base of the dramatic east face of Longs Peak, known as “The Diamond,” which towers above the lake, creating one of the most picturesque scenes in the park. The lake’s setting makes it a favorite for both hikers and photographers seeking spectacular mountain views.

The Hike to Chasm Lake

Location: Rocky Mountain National Park, Estes Park, Colorado
Trailhead: The hike starts from the Longs Peak Trailhead, which is located at about 9,400 feet. This is the same trailhead used by those attempting to summit Longs Peak, one of Colorado’s famous “fourteeners.”
Distance: Approximately 9 miles
Elevation gain: Roughly 2,500 feet
Trail Type: Out and back
Difficulty: The hike is considered strenuous due to the elevation gain and the high altitude. The last portion of the trail involves some scrambling over rocks, which can be challenging for less experienced hikers.

Highlights: Chasm Lake Hike

Spectacular Scenery: The trail offers incredible views of the alpine tundra, wildflower meadows, and surrounding peaks. The final approach to Chasm Lake provides a breathtaking view of the towering face of Longs Peak above the crystal-clear waters of the lake.
Wildlife: Along the way, you may encounter wildlife such as marmots, pikas, and bighorn sheep. The area is also known for its variety of alpine plants and wildflowers, particularly in the summer months.
Alpine Experience: Chasm Lake sits at the treeline, offering a true alpine experience. The lake is often surrounded by snowfields, even in summer, and the air is crisp and clear, giving hikers a sense of high-mountain adventure.

Weather Considerations for Hiking Chasm Lake

Afternoon Thunderstorms: Thunderstorms are common in the high country during the summer months, especially in the afternoons. It’s important to start early to avoid getting caught in storms, which can be dangerous due to lightning.
Wind and Cold: Even in summer, the weather can be cold and windy at such high altitudes. Be prepared with layers, as the temperature can drop quickly, especially near the lake.

Know Before You Go: Chasm Lake

Strenuous hike: The hike is steep and can be physically demanding, especially for those not accustomed to high altitudes. The final stretch requires a bit of scrambling over rocks, which can be tough for some.
Altitude sickness: Because of the high elevation, hikers unacclimated to the altitude may experience symptoms of altitude sickness, such as headaches or nausea.
Weather variability: The weather can change quickly in the high mountains, with afternoon thunderstorms being common, particularly in summer. This can make the trail more dangerous, especially near the exposed sections.
Limited parking: The Longs Peak trailhead, which leads to Chasm Lake, has limited parking, and it fills up early in the morning, often before dawn.

What To Bring

When hiking to Chasm Lake in Rocky Mountain National Park, preparation is key due to the altitude, weather variability, and the strenuous nature of the hike. Here’s a recommended packing list to ensure you’re well-prepared for the 8.5-mile round trip:

Clothing

Layered Clothing: The weather can change rapidly in the mountains, so dressing in layers allows you to adjust as needed.
Moisture-wicking base layer: Keeps sweat off your skin.
Insulating mid-layer: A fleece or lightweight down jacket for warmth.
Windproof/waterproof outer shell: A good rain jacket or windbreaker for unpredictable weather.
Hat and Gloves: Even in the summer, it can be cold and windy at higher altitudes, especially near Chasm Lake.
Sun Protection: A wide-brimmed hat, sunglasses, and sunscreen are essential at high altitudes, where the sun’s intensity is stronger.
Comfortable, sturdy hiking boots: Choose well-broken-in boots with good ankle support, as parts of the trail are rocky and uneven.
Wool or synthetic socks: Avoid cotton, as it retains moisture and can lead to blisters.

Gear

Daypack: A comfortable backpack to carry all your essentials.
Trekking poles (optional): Useful for the steep inclines and descents, as well as for navigating rocky sections of the trail.
Map/GPS: While the trail to Chasm Lake is well-marked, it’s always smart to carry a trail map or GPS device.
Headlamp: If you start early to avoid afternoon thunderstorms (recommended), a headlamp can be useful for pre-dawn sections of the hike.

Food and Water

Plenty of water: Aim for at least 2-3 liters. There are no reliable water sources on the trail, so bring enough to stay hydrated, especially at higher elevations.
High-energy snacks: Pack energy bars, trail mix, nuts, jerky, or other snacks that are easy to eat on the go. It’s important to keep your energy levels up during the hike.
Lunch: Consider packing a light meal if you plan to spend some time at Chasm Lake. A sandwich or something easy to eat can help you refuel before your return trip.

Safety Items

First Aid Kit: A small kit with essentials like band-aids, blister pads, antiseptic wipes, and pain relievers.
Emergency Blanket: Lightweight and useful in case of an emergency or sudden drop in temperature.
Whistle: For signaling in case of an emergency.
Knife or Multi-tool: Handy for unexpected situations.

Weather and Altitude Preparedness

Extra Layers: Since temperatures can drop significantly at higher elevations, pack an extra warm layer, especially if you’re starting early or staying late.
Electrolytes: Consider bringing electrolyte tablets or drinks to replenish salts lost through sweating.
Altitude Medicine (optional): If you’re prone to altitude sickness or concerned about the elevation, consult with your doctor about medications like acetazolamide (Diamox), which can help prevent symptoms.

By bringing these essentials and preparing for various conditions, you’ll be set for a safe and enjoyable hike to Chasm Lake!

Trail Etiquette Reminders

Hiking trail etiquette helps ensure a safe, enjoyable, and respectful experience for all hikers and preserves the natural environment.

Stick to designated paths to protect vegetation and minimize erosion.
Pack out all trash, including food scraps.
Leave natural objects and historical artifacts as you found them.
Uphill hikers have the right of way.
Step aside to let faster hikers and trail runners pass.
Yield to equestrians by stepping off the trail on the downhill side.
Avoid loud conversations and music to maintain the serenity of nature.
Use earphones if you must listen to music.
Observe animals from a distance.
Do not feed or disturb wildlife.
Keep dogs on a leash unless otherwise specified.
Clean up after your pets.
Carry sufficient water, snacks, and a first-aid kit.
Wear appropriate clothing and footwear.
Be courteous and greet fellow hikers.
Avoid blocking the trail when stopping for breaks.
Adhere to rules regarding fires, camping, and trail use.
Obtain any necessary permits.
Do not pick plants or collect rocks and other natural items.

By following these guidelines, hikers can help preserve the natural beauty of trails and ensure a positive experience for everyone.

About The Author

Isabel is a single mother and avid traveler based out of Cleveland, Ohio. Just over one year ago, she established this travel blog as a passion project. Letting her ‘creative juices’ flow, she was able to combine to of her hobbies: writing and photography.

Isabel’s goal for this pursuit is to highlight a growing collection of destinations that cater to a wide variety of lifestyle and budgets. Isabel has undertaken a variety of projects including: general travel guides, guides to museums and other attractions, restaurant reviews, reviews on unique lodging and even commissioned work allowing her to work with in conjunction with tourism boards to promote a certain destination.

In addition to dedicating near-full-time hours to her job as a travel blogger and micro-influencer, Isabel is a full-time emergency room paramedic and part-time firefighter. Above all, Isabel is a devoted mother to her 8-year-old daughter, Lily.