To truly experience the rugged beauty of Cornwall in 2026, a minimum of 7 nights is highly recommended. Cornwall is deceptively large, and its narrow, winding lanes mean that driving from the "Eden Project" in the east to "Land's End" in the west can take several hours. A one-week stay allows you to split your time between the north coast’s surfing hubs like Newquay and St Ives and the south coast’s tranquil gardens and historic harbors like Fowey and Falmouth. For those who want to mix in "downtime" or explore the hidden coves of the Lizard Peninsula, 10 nights is considered the "sweet spot." A shorter 3-night stay is possible for a single-town focus, but it often leaves visitors feeling rushed given the sheer number of world-class beaches, ruins, and coastal paths to explore.