Conchagua Volcano rises 1,242 meters above the Gulf of Fonseca, the only active volcanic massif on El Salvador's Pacific coast that permits overnight camping at its summit. The twin-peaked stratovolcano anchors the eastern terminus of the Central American Volcanic Arc, its northern crater Ocotal and southern peak Banderas forming a saddle where Mirador Espíritu de la Montaña hosts the country's most remote sanctioned campground. Geological surveys confirm Conchagua last erupted in 1892, though fumarolic activity persists in scattered vents along the western flank. The conservation fee implemented in 2018 funds trail maintenance and a resident ranger program that monitors the fourteen kilometers of footpaths threading through cloud forest between 400 and 1,159 meters. The summit camp occupies a cleared plateau seventy meters below the Banderas summit marker, positioned to capture the full sweep of the Gulf of Fonseca's island archipelago while offering shelter from the prevailing northeast trade winds. On clear nights, the lights of Honduras's Amapala and Nicaragua's Cosigüina Volcano frame the western horizon, a geopolitical panorama where three national boundaries converge in tidal waters. The route from La Unión port—twelve kilometers by unpaved track to the Espíritu de la Montaña trailhead—climbs through coffee fincas and remnant dry tropical forest, habitat for howler monkeys and the Pacific endemic turquoise-browed motmot. Daytime temperatures at the trailhead average 32°C, dropping to 16°C at the summit after sunset, a gradient that compresses four life zones into a single afternoon's ascent. Historically, Conchagua served as a sighting station for Spanish galleons navigating the Gulf of Fonseca between 1580 and 1821. Twentieth-century military installations on the northern peak were decommissioned in 1992, their concrete observation posts now repurposed as sunrise viewing platforms. The current trail network, formalized in 2015 by the Ministry of Environment and Natural Resources, integrates pre-Columbian footpaths with modern switchbacks engineered to reduce erosion in the volcanic ash substrate. Conchagua volcano camping from la union has evolved from an informal backcountry practice into a managed ecotourism corridor, with permits issued at the Mirador office and overnight stays capped at thirty campers per night to protect the fragile summit ecosystem. The conservation model here—minimal infrastructure, maximum access—reflects a broader shift in El Salvador's protected area strategy, prioritizing low-impact overnight use over day-visitor density.