The temple is traditionally associated with the legend of the god Murugan blessing sage Agastya.
The sanctum sanctorum is constructed partially within a natural rock formation, distinguishing it from purely structural stone temples.
The temple tank is believed by local tradition to have healing properties for various ailments.
The architectural style follows the late Pandya and Vijayanagara influence prevalent in southern Tamil Nadu.
Arulmigu Sri Subrahmanya Swamy Temple in Valliyur is a significant site dedicated to Lord Murugan, characterized by its historical stone architecture and sacred pond. The temple is built around a naturally occurring cave-like sanctum, a feature common in ancient Dravidian rock-cut shrines. It serves as a regional religious hub for devotees of the Murugan tradition, specifically noted for its connection to the Nanguneri and Tirunelveli temple circuit. The deity, Subrahmanya Swamy, is depicted in the presiding idol as a young ascetic. The temple complex includes a large, historically significant temple tank located adjacent to the main structures. Local festivals, particularly during the Tamil month of Aipasi, draw large numbers of pilgrims for the Skanda Shasti rituals. The site is situated within the Vadakkuvalliyur region, acting as a spiritual landmark on the Valliyur-Radhapuram road corridor.
The elevated view of the temple's entrance tower (gopuram) from the perimeter of the temple tank.
Visit during the early morning or late afternoon to avoid the intense heat radiating from the temple's stone flooring.
Consult the Tamil calendar before visiting to see if your trip coincides with the monthly Krittikai star, which sees increased devotional activity.
Carry your own water and stay hydrated, as the area can be quite arid.
Avoid visiting during the peak midday sun, as the stone floors become extremely hot and walking barefoot across them is physically painful.
The temple remains open daily throughout the year, with extended rituals and larger crowds observed during the Skanda Shasti and Thai Poosam festivals.
Traditional Indian modest attire is required; men are often required to remove shirts before entering the inner sanctum, and all visitors must remove footwear outside the temple complex.