Gokyo Lake, nestled in Nepal's Everest region, is a stunning high-altitude destination primarily accessible via a challenging multi-day trek starting from Lukla, demanding good physical fitness. While experienced trekkers might go solo, hiring a licensed guide or porter-guide is highly recommended for safety and local support, with necessary permits including Sagarmatha National Park entry. The best times to visit are during the dry seasons of spring (March-May) and autumn (September-November) for stable weather and clear views, as winter brings extreme cold and snow, and monsoon (June-August) offers heavy rain. A typical 10-15 day trek from Kathmandu can cost approximately $1,500 - $3,000+ per person (excluding international flights), covering local flights, permits, guide/porter services, basic teahouse accommodation, and meals. Acclimatization is vital to prevent altitude sickness, and visitors should be prepared for basic facilities and pack layers for fluctuating temperatures, ultimately rewarded with breathtaking panoramic views from Gokyo Ri.