New York State publishes what is at every one of its parks. Within an hour of Saratoga Springs there are 6 state parks with a playground, 3 of them with a swimming beach. That is a real list rather than a guess, and it is the honest starting point for a cheap day out.
Every one within an hour
| Park | County | Drive | What is there |
|---|---|---|---|
| Saratoga Spa | Saratoga | 4 min | Playground · Nature centre |
| Moreau Lake | Saratoga | 18 min | Playground · Beach · Camping · Nature centre |
| Schoharie Crossing | Montgomery | 42 min | Playground |
| Grafton Lakes | Rensselaer | 43 min | Playground · Beach · Nature centre |
| John Boyd Thacher | Albany | 50 min | Playground · Camping · Nature centre |
| Cherry Plain | Rensselaer | 58 min | Playground · Beach · Camping |
One caveat, stated plainly: this data does not include fees. Some state parks charge a per-vehicle day-use fee in season and some do not, and the state does not publish that in this dataset. Every park above links to its official page, which is where the current charge is listed. Do not assume free.
Filter it yourself
Drive times are estimated from straight-line distance ×1.15 for road routing, at a speed that rises with distance from 40 mph on local roads to 65 mph on the interstate. The finder below lets you set your own limit and filter on what you actually need.
This page covers the state park data, because that is what the state publishes directly. The rest — municipal playgrounds, trailheads, library passes and free museum days — is being checked one at a time and will be added here rather than guessed at.