The best time to go to Errol is during the fall, from mid-September to mid-October, for stunning foliage, or in the summer, from July to August, for outdoor activities.Fall in Errol is particularly appealing for travelers who appreciate scenic beauty and a tranquil escape. The surrounding forests, including those bordering Lake Umbagog, transform into a vibrant display of reds, oranges, and yellows. This season offers ideal conditions for scenic drives along Route 26, photography, and gentle hikes, providing a peaceful experience without the summer crowds.Summer is excellent for those looking to enjoy Errol's natural environment through recreational activities. The warmer weather is superb for kayaking or canoeing on Lake Umbagog, fishing in the Androscoggin River, or exploring the trails in the Lake Umbagog National Wildlife Refuge.