Wonorejo Mangrove Ecotourism protects a stretch of mangrove wetland on the eastern edge of Surabaya, where the dense city gives way to tidal channels and bird habitat. Boardwalks and boat routes make the landscape accessible without turning it into a manicured urban park.
It is most rewarding for travellers who want a break from traffic, malls, and colonial-era sights. Go early or late for softer light and better chances of seeing birds, and expect a simple, local-feeling nature outing rather than a polished national-park experience.