Onekawa Te Mawhai Regional Park is a protected area at Ōhiwa in the Bay of Plenty Region of New Zealand's North Island, owned and managed by Bay of Plenty Regional Council in partnership with the Upokorehe hapū.

[1] Onekawa Pā is the central feature of the park.

[1] A 90-minute walking track leads through ancient puriri and other native bush to the top of the pā, and then through a working farm to Bryans Beach and back to the carpark.

[2] Horse trekking, camping, motorbikes, mountain bikes, fires, rubbish and unleashed dogs are banned to protect historic sites in the area.

[2] The Onekawa Pā has a long history of occupation, including by the leaders of Repanga, Kahuki and Tuamutu.