Altrheinsee is an oxbow lake of the Rhine situated near Eich in the district of Alzey-Worms. Access is informal via local roads and footpaths that lead toward the lake shore through the surrounding lowland landscape. There is no confirmed formal entrance, gate or access control, and use appears daylight-dependent without reported evening lighting or supervision. Parking is also informal, with no confirmed formal car park at the lake itself. Visitors typically use roadside areas near access points and then continue on foot along unpaved tracks. Public transport does not run directly to the water. The nearest services are in Eich, so the final approach is on foot or by bicycle, which requires allowing extra time and planning the return route. The banks are predominantly grass and natural earth, with uneven ground in places. Shade is limited to scattered trees and vegetation, and sun exposure can be strong at midday with little shelter during hot spells. Bring sun protection, a ground cover, sufficient water and food, as no supply options are reported nearby. There are no confirmed facilities at the site. No toilets, showers, food outlets, drinking water or lifeguard supervision are reported, and swimming is at own risk without designated zones or safety equipment. Water conditions are natural and vary with season and weather, with the warmest period generally from June to August. Visibility and comfort can change after rain or during cooler periods. Crowds are typically low, with mornings and late afternoons quieter than warm afternoons in summer. Plan for a self-sufficient stay of a few hours, check weather beforehand, and take all supplies and waste with you on departure.