In short
- Bring a light jacket for the 54°F (12°C) cave.
- Wear sturdy, closed-toe shoes for uneven paths.
- Leave large backpacks and tripods behind.
In this article
Mammoth Cave maintains a constant temperature all year, even during hot Kentucky summers. Knowing what clothing and gear are allowed inside will save you time at the entrance.
What is the temperature inside Mammoth Cave?
The temperature inside the cave is a constant 54°F (12°C) year-round.
You will feel an immediate temperature drop when you walk through the Historic Entrance. Pack a light jacket or sweater to stay comfortable underground. You can easily tie this around your waist if you warm up while climbing stairs.
What shoes should I wear in the cave?
You must wear sturdy, closed-toe walking shoes with good traction.
Most cave tours involve navigating stairs, uneven terrain, and dim lighting. Sandals, flip-flops, and heels are unsafe for these conditions. Wear comfortable sneakers or hiking boots.
Can I bring a backpack into Mammoth Cave?
Large backpacks and backpack baby carriers are prohibited on cave tours.
You can bring a small front pack or fanny pack into the cave. Strollers are also banned underground. Carry only essential items on your tour to keep your hands free for handrails.
What items are prohibited inside the cave?
You cannot bring tripods, selfie sticks, or weapons inside the cave.
Flash photography is banned to protect the cave environment and respect other visitors. Firearms, pepper spray, and knives are also strictly prohibited on all cave tours.
What should I pack for the surface trails?
Pack bug spray, tick repellent, sunscreen, and a water bottle for above-ground hikes.
The park covers over 52,000 acres of surface area with more than 80 miles of trails. Cell service is spotty, so download offline maps via the NPS App before you arrive. Bring snacks for the trails.
What else should I pack for Mammoth Cave National Park?
Bring a flashlight for campgrounds and a life jacket for river activities.
If you stay at Maple Springs Campground, a flashlight or headlamp is useful for evening walks. Children ages 12 and under must wear personal flotation devices on the river. If paddling, bring a US Coast Guard approved life jacket.
Questions travellers ask
Are dogs allowed inside Mammoth Cave?
Pets are not allowed inside the caves, except for service animals. They must remain on a leash at all times while on the surface trails.
Do I need a jacket in the summer?
Yes. The cave remains 54°F (12°C) even during hot summer months. You will need a jacket or sweater while underground.
Can I use a stroller on the Heritage Trail Loop?
Yes. The Heritage Trail Loop is a flat, half-mile paved trail that is perfect for families with strollers.
