The lake was originally constructed in the 1930s as a reservoir for local agricultural water supply.
Kamakita Lake is a designated gateway to the Okumusashi Long Trail, a popular route for serious trekkers.
The reservoir area is known as one of the earliest spots to view autumn colors in the Saitama foothills due to its specific elevation.
The site is often referred to as the 'mirror of the sky' by local photographers due to its still, reflective surface during calm mornings.
Kamakita Lake is a man-made irrigation reservoir situated in the foothills of the Okumusashi region in Saitama Prefecture. It is a focal point for hikers entering the mountain trails that connect to the Iruma and Hanno trail networks. The perimeter of the reservoir is lined with cherry trees and Japanese maples, creating vibrant displays during spring and autumn. The lake serves as a trailhead for the hike to Shukubu Pass and the surrounding mountain ridges. Its calm waters act as a mirror for the steep, forested slopes of the Moroyama area. The area remains a local destination for those seeking forest bathing and proximity to Tokyo without major infrastructure.
The lakeside path near the dam embankment where the reflection of the mountain forest is most symmetrical.
Wear sturdy hiking boots if you plan to continue beyond the lake perimeter onto the mountain trails.
Bring insect repellent during the summer months, as the forested area is prone to mosquitoes.
Pack all personal trash out, as there are minimal facilities for waste disposal around the reservoir.
Do not attempt to swim or fish in the lake, as both are prohibited to maintain the water quality for irrigation.
Maintain a quiet volume to respect the local wildlife and hikers, and stick to marked trails to prevent erosion.
