A Living Canvas: The Seasonal Transformation of Mt. Omuro
Located in the heart of the Izu Peninsula, Mt. Omuro (Omuroyama) is a dormant volcano known for its perfect silhouette. While it is famous as a top “hidden gem” near Tokyo, what truly makes it special is how it dramatically changes its color throughout the year.

The vibrant “Matcha Cake” green of spring and summer.
【Green】 The Breath of Life (Spring & Summer )
After the annual mountain burning, fresh grass sprouts to cover the slopes in a soft lime green, turning into a deep, lush emerald by summer. This is the iconic “Matcha Cake” look that has become a global sensation on social media. For a deeper dive into why this mountain is a “must-visit” for anime fans and nature lovers, check out our ultimate guide to Mt. Omuro.

Golden pampas grass swaying in the autumn breeze.
【Gold & Brown】 Whispering Pampas Grass (Autumn )
In autumn, the mountain is covered in silver pampas grass (Susuki) that shimmers like gold in the afternoon sun. The landscape shifts into nostalgic shades of brown and amber, offering a peaceful, contemplative atmosphere typical of the Japanese countryside.

The powerful black silhouette immediately after the Yamayaki festival.
【Black】 The Ritual of Rebirth (Late Winter / Early Spring)
Every February, the 700-year-old tradition of Yamayaki (Mountain Burning) takes place. The entire mountain is set ablaze to encourage new growth. For a short period after the fire, the mountain stands as a powerful, jet-black silhouette—a symbol of purification and the preparation for rebirth.

A rare, ethereal sight: Mt. Omuro covered in pure white snow.
【White】 The Ethereal Snowscape (Winter)
Snow is rare in the mild climate of Izu, but when it falls, Mt. Omuro transforms into a white wonderland. The smooth, snow-covered curves look like a delicate sugar craft. If you witness this, consider yourself extremely lucky.
Experience the “Yamayaki” Soul at Yubana Mankai
The Yamayaki festival is the highlight of the Izu calendar. To truly experience the magic of this region, we recommend pairing your visit with a relaxing stay at Yubana Mankai in Atagawa Onsen, just a 20-minute drive away. From our 6 private onsen baths to our authentic Kaiseki dining, we provide the perfect sanctuary for your Izu adventure.
Plan your seasonal escape and book your stay at Yubana Mankai today.
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