Wild Willy’s Hot Springs in Mammoth Lakes (aka Crowley Hot Springs): Free and Clothing-Optional 2024

Mammoth Lakes in California is a top tourist destination known for its numerous outdoor activities.

Beyond hiking, kayaking, snow sports, and rock climbing, there are hidden treasures just outside of town.

Among these hidden treasures are thermal springs, embraced by the stunning Sierra Nevada landscape.

Wild Willy’s Hot Springs, also known as Crowley Hot Springs, stands out as one of the most popular hot springs in the area.

Not the Mammoth Hot Springs in Yellowstone National Park!

It is important not to confuse Wild Willy’s with Mammoth Hot Springs in Yellowstone National Park.

While both offer unique experiences, they are located in different states and have distinct features.

At Wild Willy’s Hot Springs, you can soak in warm, mineral-rich waters while gazing at the breathtaking Sierra Nevada mountains.

You can unwind after a long hike, experience unique camping sites, or simply revel in the beauty of the outdoors at Wild Willy’s Hot Springs.

Ready to discover this serene oasis? Let’s uncover everything you need to know.

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What’s the difference between Wild Willy’s Hot Springs in Mammoth, CA, and Mammoth Hot Springs in Yellowstone?

While both are hot springs, they are located in different places and offer unique experiences.

  • Wild Willy’s Hot Springs is located in Mammoth Lakes, California. It’s a natural hot spring in the Eastern Sierra, known for its stunning views and remote location. The springs are free to visit and offer a more rustic and natural experience.
  • Mammoth Hot Springs is located in Yellowstone National Park, Wyoming. These are a series of large, terraced hot springs formed from limestone deposits. They are a major tourist attraction in Yellowstone, known for their unique formations and vibrant colors. The area is more developed, with boardwalks and viewing platforms for visitors.

Why Wild Willy’s Hot Springs is So Popular

Wild Willy’s Hot Springs is one of the most popular hot springs in the area due to its easy access and large pools, which can accommodate many people.

It’s well-known among locals and tourists, making it a frequent destination.

The springs offer a dreamy, calming, and meditative atmosphere where people often play instruments, sing, or simply enjoy the serene environment.

Having a place like Wild Willy’s Hot Springs for public use is amazing.

And it’s free and natural.

Wild Willy's Hot Springs is surrounded by the beautiful Sierra mountains and is the most popular hot springs in the area, is a clothing-optional hot springs.
The first steam on the left of the path is the source and the hot pool; the right side of the path is the big pool with a lot of smaller pools. Each with a different depth and temperature.

Is Wild Willy’s Hot Springs free?

Yes, Wild Willy’s Hot Springs is free to visit. However, there are no facilities or amenities, so be sure to bring everything you need and pack out all your trash.

Respect the natural environment and follow Leave No Trace principles to keep the area pristine.

Cherish it and leave it better than you found it.

During my visit, a local resident was there early in the morning, picking up trash.

He mentioned that he does this weekly and holds a local retreat for anyone who’s interested.

It was heartwarming to see such care and dedication.

Another camper, a free-spirited musician, played the flute for everyone at sunset. As he puts it, “It’s very high vibration because I play it from my heart.”

Sunsetting view from the parking lot of Wild Willy's Hot Springs is a hot springs in Southern California.

The serene, blissful atmosphere was incredibly enjoyable.

These encounters contribute to the simple bliss of visiting natural hot springs.

Historical Context

The area around Mammoth Lakes, including Wild Willy’s Hot Springs, has a rich history.

The hot springs were used by Indigenous peoples for centuries as a place of healing and relaxation.

The hot waters, rich in minerals, were believed to have restorative properties.

The springs were later discovered by settlers and became a popular destination for those seeking the therapeutic benefits of the natural hot water.

Over time, they have continued to attract visitors from all over the world.

Today, we are fortunate to have these hot springs on public land, allowing us to enjoy them for free, much like people did before the arrival of settlers.

My Wild Willy’s Hot Springs Experience

I went to the pools before sunrise to enjoy the views and the cooler air temperature.

It was incredibly peaceful.

Wild Willy's Hot Springs area before sunrise near Mammoth Lakes.
You can see the steam coming out of the landscape during brisk mornings.

There is a small lake on the side of the trail, from the parking lot to the hot springs.

Reflection onto the lake in the morning at Wild Willy's Hot Springs.

The reflections of the Sierra on the water are beautiful.

This lake may not be there all year or during dry years, but this time, in June 2024, the lake was stunning.

Reflection of the Eastern Sierra mountains onto the late in the afternoon on the way to Wild Willy's Hot Springs by Mammoth Lakes.
As clouds rolled in in the afternoon, a different view is reflected.

Water Temperature and Environment

The surroundings of Wild Willy’s Hot Springs are breathtaking

The Springs have panoramic views of the Sierra Nevada mountains.

Picture of the hot pool at Wild Willy's Hot Springs with beautiful sunrising sky in the background with a few people in the pool. Here is clothing optional.
Picture of the hot pool at Wild Willy’s Hot Springs with the view before sunrise. 😍

The pools are natural, formed by blocking off a ditch at different levels.

Each pool has a different temperature and depth, ranging from less than knee-high to torso-deep sections.

The hottest pool, reaching up to 105°F, is located near a large rock area to the left, towards the end of the trail.

It is a single pool with a little source pool next to it.

The hottest pool at Wild Willy's Hot Springs, right next to the source by Mammoth Lakes, California. One of the hot springs in Southern California.
Hot pool that’s next to the source little pool. Note: It does not look like a heart.

The hot springs have a slight sulfur smell, and the water is very clear.

However, there is a lot of algae growth, with algae settled on the bottom.

The sides of the pools are natural dirt and clay-like dirt, which may not be the nicest for sitting back and using as a backrest.

Despite this, I was able to soak and play in the warm, big pool for a while all by myself.

Different pools are blocked off by rocks to create different depth and temperature at Wild Willy's Hot Springs in Eastern Sierra, California.

Is there a heart-shaped pool at Wild Willy’s Hot Springs?

There have been reports and photos of a heart-shaped pool at Wild Willy’s Hot Springs. However, as of June 2024, natural changes in the landscape and the placement of rocks have altered its shape. The heart shape is no longer prominent or may not exist. For the best experience, try viewing the pools from a higher perspective, but be aware that the heart shape might not be visible.

There's photos goin around internet showing Wild Willy's Hot Springs to be a heart shape...I couldn't get that perspective no matter how I tried-FICTION!
Note: The most heart-shaped pool is this perspective, but it’s a hard compromise.

Even though there’s no heart-shaped pool at Wild Willy’s Hot Springs, being here in the geothermal water surrounded by the Sierras’ beauty is an experience you won’t forget.

But remember, no glass containers are allowed by the hot springs to ensure everyone’s safety

Facilities

The authorities have thoughtfully provided several facilities to make your visit more comfortable.

There’s a porta-potty, enclosed by a wooden structure, in the parking lot and a trash bin for anyone to use.

It’s a small gesture, but it shows a lot of consideration for keeping the area clean and user-friendly.

Boondocking and Camping

Boondocking and tent camping are allowed and free on the surrounding public lands, making it easy to stay overnight.

Wild Willy Hot Springs is a great spot for boondocking Mammoth Lakes. There's plenty of space and good reception!

The main parking lot is usually busy, but there are quieter spots for those seeking solitude.

Before reaching the main parking lot, there’s a camping spot with a circular driveway to the left where you can enjoy some peace.

quiet camping spot before the main parking lot can be seen here at Wild Willy's Hot Springs.

Alternatively, you can take the dirt road right across from this campsite, to the right before the main parking lot, which leads around the lake.

You can park across the lake from the main parking lot.

Though it’s a bit of a walk to the hot springs, you’ll enjoy a more private and serene experience.

Getting to Wild Willy’s Hot Springs

Getting to Wild Willy’s Hot Springs is straightforward:

  • From Mammoth Lakes: Drive south on US-395 for 5.1 miles.
  • Turn Left onto Benton Crossing Road: Also known as the Green Church Road.
  • Drive for 3 miles: Turn right onto a dirt road. Follow the road for about 1.5 miles until you reach the parking area.
Green little church is the turn to get to Wild Willy's Hot Springs as well as others in the area.
Little Green Church

Dirt road to Wild Willy's Hot Springs. There's no street sign.
Dirt road for 1.5 miles to Wild Willy’s Hot Springs parking lot.

A 4×4 is not necessary in the warmer months, but the dirt roads can be rough.

Drive carefully and be prepared for uneven terrain.

The trailhead is clearly marked, straight on from the road if you don’t turn into the parking lot, and can be seen with the boardwalk.

Looking out of my van at Wild Willy's Hot Springs parking lot.

From the parking lot, it’s an easy walk to the hot springs.

Make sure to stay on the trail so we can keep this public land beautiful.

Staying on trail is important in keeping the landscape natural.
Please stay on trail and not follow others by creating another route. Give nature a chance to recover!

The Geothermal Connection

Are there other hot springs in the area?

Yes, there are several other hot springs near Wild Willy’s Hot Springs. Notable ones include Rock Tub Hot Springs, Hilltop Hot Springs, and Crab Cooker Hot Springs. Each offers a unique soaking experience within the scenic beauty of the Eastern Sierra.

To understand why there are so many hot springs in the area, check out my blog on Rock Tub Hot Springs.

The tectonic activity that formed the Sierra Nevada created faults and fractures in the Earth’s crust.

These faults allow groundwater to circulate deep underground, where it gets heated by the Earth’s magma chambers and volcanic activity.

The heated water then rises back to the surface, creating the hot springs we enjoy today.

Are we utilizing the geothermal activities in the Eastern Sierra for purposes other than soaking in hot springs?

Yes, the geothermal activities in the Eastern Sierra are being harnessed for much more than just soaking in hot springs. The Mammoth Geothermal Complex, operated by a wholly owned subsidiary of Ormat Technologies, Inc., is a prime example. This complex comprises four geothermal facilities that collectively generate 60 megawatts (MW) of power. This is enough to supply electricity to approximately 45,000 homes. By tapping into the Earth’s natural geothermal energy, these facilities provide a sustainable and renewable energy source, reducing reliance on fossil fuels and contributing to a cleaner environment.

Tips for a Safe Visit

What is the best time to visit Wild Willy’s Hot Springs?

The best time to visit Wild Willy’s Hot Springs is during the fall and spring when the weather is mild. Summer can be very hot, and winter may bring snow, making access difficult.

For a more comfortable experience, plan your visit in the early morning or late afternoon to avoid the peak sun hours.

  • Stay on the Trail: It’s important to stay on the marked trails to preserve the natural environment.
  • Avoid Glass Containers: Do not bring glass containers to the hot springs. If they break, it can be hazardous for everyone.
  • Be Prepared: Bring plenty of water and stay hydrated, especially in warm conditions.
  • Watch for Winter Conditions: The dirt road can be rough and may require careful driving. It might be difficult to access during the winter when it is snow-covered.
  • Watch for Slippery Areas: The algae can make the pools slippery, so be careful when entering and exiting.
  • Manage lightheadedness: If you feel dizzy, get out of the water, sit down and put your head between your legs, or lay down and elevate your legs to get blood back to your head. Those who are low in iron might be more prone to this. The goal is to get blood back down from the head.
  • Nudity: Wild Willy’s Hot Springs is clothing-optional, so be aware, or celebrate, that nudity is common.
  • Cell Reception: There’s about 1-2 bars of Verizon reception at the parking lot and even at the springs!

Is Wild Willy’s Hot Springs family-friendly?

Yes, but parents should be cautious as the pools have varying depths and temperatures, and the rocks in and around the pools can be rough, sharp, and slippery. Additionally, this is a clothing-optional hot spring, so nudity is common.

Final Thoughts

Visiting Wild Willy’s Hot Springs is a truly unique experience, blending natural beauty with the simple bliss of soaking in warm, mineral-rich waters.

The serene environment, stunning views, and meditative atmosphere embody the spirit of dolce far niente, making it a perfect retreat.

Water pearls created by little waterfalls at the Wild Willy's Hot Springs.
Little waterfalls, water pearls, and spider webs helps in making Wild Willy’s Hot Springs a magical place.

Make Mammoth your next destination and immerse yourself in the tranquility of this beautiful natural wonder.

Share your experiences, and let me know if you have a favorite hot spring in this area.

Let’s all do our part to cherish and preserve these natural treasures.

Good morning Wild Willy's Hot Springs from Lillian Lu.
I still need to learn to look at the camera. 😬

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Road leading from Wild Willy's Hot Springs to a parked van with a text box saying, "Alarm: Time to relax in nature! Hot Springs, Expansive View."

Hot pool at Wild Willy's with expansive mountain views and clear sky, labeled "Hot Springs" and "Relax, Free & Convenient."

Warm pool at Wild Willy's with the words "Spa, Natural & Healing" on top.

Distant view of the boardwalk and all the pools at Wild Willy's with the words "Natural, Relax, Hot Springs."

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