Raglan, New Zealand low-tide area of , 2–4 m tidal range, with a spring-tide range of 2.8 m and neap 1.8 m, spring tide flow around 46 x 10 m and neap 29 x 10 m. A 2005 survey said on average water stays in the harbour 1.1 days at spring-tides, but a 2015 study showed a median residence time for whole estuary of 39.4 days with median river flows, ranging between 18 and 45 days. It is the northernmost of three large inlets in the Waikato coast (the others, also drowned river valleys, are Aotea Harbour and Kawhia Harbour). 15 significant rivers
Skyline-to-the-Sea Trail Basin park headquarters. It then descends through Big Basin, following Waddell Creek to its outlet at Waddell Beach. Santa Cruz Metro routes 35 and 40 formerly went from Big Basin State Park Headquarters to Waddell Creek and back. Since September 2011 Route 40 no longer goes all the way to Waddell Beach from mid-December to mid-March. but instead turns around at Cement Plant Rd. Route 35 only stops at the Headquarters on the weekends during the Spring/Summer season. There is a proposed plan for a "Saratoga-to-the-Sea" Trail. The plan would create a trail starting somewhere near Hakone Gardens in Saratoga,