Volcanic rivers are streams or rivers that flow through areas affected by volcanic activity. These rivers can be formed from melted snow and ice on volcanic mountains or from rainfall that collects in valleys. The water can carry volcanic ash and minerals, which can enrich the surrounding soil. In some cases, volcanic rivers can also be influenced by geothermal activity, where hot springs or geysers contribute to the water flow. The unique landscapes created by volcanoes and their rivers can support diverse ecosystems, making them important for both wildlife and human communities.