1
hikers
01:30
5.71km
50m
Hiking
Explore ancient lava tube caves on this easy 3.6-mile hike to Dead Horse and Tea Kettle Cave in Idaho, featuring unique geological formation
Last updated: February 26, 2026
Waypoints
Start point
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87 m
Highlight • Cave
Tip by
2.86 km
Highlight • Cave
Tip by
5.71 km
End point
Way Types & Surfaces
Way Types
5.71 km
Surfaces
5.71 km
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Friday 8 May
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This route was planned by komoot.
The walking portion of the route is relatively short, taking about 1.5 hours to complete the 5.7 km (3.5 miles) round trip. However, exploring the caves, especially the unique Tea Kettle Cave, will add significant time to your adventure, so plan for at least 2-3 hours overall.
The trail traverses a fascinating landscape shaped by ancient lava flows. While the walking path between the caves is generally easy, expect varied and sometimes uneven ground. The roads leading to the parking areas can be bumpy and rocky, often requiring a high-clearance vehicle for the closest access.
The hike itself between the two caves is considered easy and suitable for most fitness levels. However, entering Tea Kettle Cave adds a moderate challenge due to a steep, potentially slippery descent. Dead Horse Cave is generally easier to access and offers a more family-friendly caving experience.
Many hikers opt to park at the entrance to Dead Horse Cave. From there, it's approximately a one-mile walk to Tea Kettle Cave. Be aware that the access roads can be rough, so a high-clearance vehicle is recommended if you plan to drive closer to the trailheads.
The primary attractions are the two lava tube caves themselves. You'll first encounter Dead Horse Cave, which is relatively easy to explore. Further along, Tea Kettle Cave is notable for its unique teapot-like formation and the remarkable 'oasis' of ancient ferns thriving inside.
Spring and fall generally offer the most pleasant hiking conditions with milder temperatures. During warmer months, be extra vigilant for snakes. Always check local weather conditions before heading out, as the lava rock can absorb and radiate heat.
Based on available information, there are no specific permits or entrance fees required to hike the Dead Horse to Tea Kettle Cave trail or to explore the caves themselves.
While not explicitly stated, dogs are generally allowed on leash in this type of natural area. However, consider the challenging descent into Tea Kettle Cave, which might be difficult or unsafe for some dogs. Always ensure your dog is under control and pack out any waste.
Essential items include sturdy hiking shoes with good grip, plenty of water, and a reliable flashlight or headlamp for exploring the caves. Gloves can be helpful for the descent into Tea Kettle Cave. Consider bringing a map or GPS device as cell service can be spotty.
Yes, Tea Kettle Cave is famous for its distinctive 'spout' entrance and, most notably, a central pile of rocks hosting an 'oasis' of ancient ferns. These ferns, some believed to be over 1000 years old, thrive in the cave's unique microclimate and can appear to glow in the sunlight. Please avoid disturbing them.
No, public transportation options are not available for reaching the Dead Horse to Tea Kettle Cave trail. Access is typically by private vehicle, and a high-clearance vehicle is often recommended for the final approach to the parking areas.