The Maraehara River is located in the Gisborne Region of New Zealand's North Island, flowing into the Pacific Ocean. It shares a coastal lagoon with the larger Waiapu River at its terminus. This geographical characteristic suggests a tidal influence near the mouth, where the river meets the ocean through a shared lagoon system. The river's coordinates are approximately -37.74957126, 178.29988320, placing it in a remote area of the East Coast. Specific access points for putting in and taking out, such as boat ramps, are indicated as available. The overall character of the paddling experience is likely influenced by its coastal plain setting and the transition from freshwater to a brackish lagoon environment. The river's path through the Gisborne region suggests a landscape that may include pastoral land and native vegetation. No specific hazards, seasonal recommendations, water temperatures, water quality issues, regulations, or detailed route descriptions are provided. Facilities for paddlers are noted, but their nature is not specified. The river's historical or cultural significance is not mentioned.