Best natural monuments around Mountain View include a variety of natural areas, parks, and trails. The region features diverse ecosystems, ranging from baylands to creekside paths and rolling hills. These areas provide opportunities to experience the natural landscape of the Silicon Valley region.
Last updated: May 13, 2026
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impressive 500-meter-long tunnel in the lava flow
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great view from the crater rim
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easily accessible viewpoint with good views of the volcano
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Ferns in oversize - super impressive
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Never seen anything like this before
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World class, like a moonwalk
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This 500-year-old lava tube was created by a river of lava. Nowadays the lava tube is lit for visitors from 8am-8pm, and the National Park Service urges you to be avoid touching the tube's walls and any hanging roots, as they support entire ecosystems of very delicate organisms. Parking around the lava tube is extremely scarce, but you can hike here along the Crater Rim Trail, which offers many more parking opportunities.
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Area has lots of steam vents including two in parking lot you can stand close to and get blasted with hot but not too hot steam.
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The natural monuments featured in this guide offer a diverse range of geological wonders. You can walk across the hollow-sounding floor of Kīlauea Iki Crater Trail, explore the ancient Nāhuku (Thurston Lava Tube) formed by lava flows, or witness the regenerative power of nature on the Devastation Trail, which leads through the aftermath of a volcanic eruption.
Yes, several natural monuments are suitable for families. The Nāhuku (Thurston Lava Tube) offers an exciting walk through a lava cave, while the Fern Rainforest provides a glimpse into ancient ecosystems with its large tree ferns, both of which are marked as family-friendly. The Kīlauea Caldera North Overlook also offers impressive views that can be enjoyed by all ages.
You'll find a variety of hiking experiences. For an easy walk, consider the Kīlauea Iki Trail. If you're looking for something more challenging, the Kīlauea Iki Crater Trail – Kīlauea Iki East Overlook loop offers a moderate difficulty. Many trails provide unique views, such as walking across a volcanic crater or through a rainforest.
Yes, the Devastation Trail is noted as wheelchair accessible, allowing visitors to experience the unique landscape shaped by past volcanic activity. Additionally, the Fern Rainforest also features an asphalt path leading to the lava tube entrance, making it accessible.
Visitors frequently praise the impressive and unique landscapes. Many describe walking across the Kīlauea Iki Crater Trail as feeling like a 'lunar landscape' or 'hollow-sounding.' The ancient Nāhuku (Thurston Lava Tube) is appreciated for its special origin and the experience of walking through a 500-year-old lava flow. The sheer size and views from the Kīlauea Caldera North Overlook are also highly rated.
Absolutely. There are several running routes available, such as the Crater Rim Drive and Devastation Trail, which offers a moderate difficulty run. Other options include loops around Kīlauea Iki and Kīlauea Overlook, providing diverse terrain for your run.
While the specific natural monuments in this guide are known for their geological features and unique flora like large tree ferns in the Fern Rainforest, the broader Mountain View region, particularly areas like Shoreline at Mountain View and Stevens Creek Trail, is known for diverse wildlife including migratory birds, egrets, and ducks in its baylands and marshlands.
Yes, the Kīlauea Caldera North Overlook provides hikers with a stunning view across Kīlauea Caldera to Halemaʻumaʻu crater. The Devastation Trail also leads to the Puʻupuaʻi Overlook, offering an excellent view into Kīlauea Iki Crater.
The terrain varies significantly. On the Kīlauea Iki Crater Trail, you'll walk across a solidified lava lake. The Nāhuku (Thurston Lava Tube) involves walking through a cave. The Devastation Trail showcases a landscape recovering from volcanic eruption, with both barren areas and regenerating flora. The Fern Rainforest features lush, green paths.
The provided information does not indicate that hiking permits are required for the specific natural monuments mentioned in this guide, such as Kīlauea Iki Crater Trail or Nāhuku (Thurston Lava Tube). However, it's always advisable to check the latest regulations for any national parks or preserves you plan to visit.
While specific seasonal conditions are not detailed for each monument, the general advice for outdoor activities in the Mountain View region suggests that pleasant weather can be enjoyed for most of the year. For the lava tube, it's lit for visitors from 8 am to 8 pm, which might influence your visit timing.
While all the listed natural monuments are popular, the experience of walking through the Nāhuku (Thurston Lava Tube) is often described as a unique and impressive 'walk-in cave' experience, offering a tangible connection to the region's volcanic history. The Fern Rainforest also provides a tranquil and ancient atmosphere.


Extend your search for the best caves by checking out these guides of the top ones around Mountain View: