Enjoy strolling on Broadway, Downtown Saratoga, where you will find small retailers, coffee shops, restaurants.
Visit the Saratoga Battlefield at Saratoga National Historic Park
Explore the trails in Saratoga State Park
Hike a local Adirondack foothill; some possibilities include: https://www.protectadks.org/hike-hadley-mountain/ https://www.alltrails.com/trail/us/new-york/pilot-knob-ridge https://www.alltrails.com/parks/us/new-york/moreau-lake-state-park
Visit Lake George Village, with its many shops, arcades, restaurants. NYS Million Dollar Beach State Park is a short distance to the east of the village and offers a beach and swimming. There are several tour boat rides on the lake early in the day. Information can be found at https://lakegeorgesteamboat.com/search/.
Visit the gardens at Yaddo (Open 10 to 2 on Saturday)
Have a picnic, swim and/or take a short hike at Moreau Lake State Park