Located at the foot of Mt. Enichi, the southern gateway to the Higashiyama range, this gate serves as a spiritual portal where nature meets Zen philosophy. The upper sanctuary, rarely opened to the public, is a masterpiece of hidden artistry. Its interior columns and ceilings are adorned with vivid, original paintings by the monk-artist Mincho, featuring powerful dragons and graceful Apsaras that appear to dance in the shadows. A unique architectural detail is the heavy circular "moon windows" on the second floor, which frame the surrounding forest, symbolizing the clarity of the Zen mind. The gate's placement is deliberate, aligning with the temple’s axis to channel the mountain's energy. This "Gokuraku-mon" (Paradise Gate) acts as a physical representation of the transition from the chaotic world to the tranquil, structured world of the Buddha, preserved as a pinnacle of early medieval craftsmanship.