You might find this helpful:
How about a spiral staircase there small even if it’s only 1/2 of one
Here is a site that provides step by step instructions.
Be sure to follow local building codes as well. Good luck!
check all those ideas here https://www.pinterest.com/search/pins/?q=how%20to%20build%20a%20step%20within%20small%20space&rs=typed&term_meta=how%20to%20build%20a%20step%20within%20small%20space%7Ctyped
First you have to make sure your deck can handle the additional weight and structure of stairs. There are strict requirements for stairs and handrails for good reason. Liability as a homeowner is also a big issue. Without any information on what you want to accomplish, pictures, links, and little knowledge can lead to disaster. If you have a better description of your project, that will help those with the knowledge to help.
How about a ladder, could be Rope or Timber or Metal?
Buy something like this: https://amzn.to/3d1F4m3
Its affordable and safe.
Hope this Helps! Jeremy - https://pahjodesigns.com
i'd do a ladder if its to a slide!
Hi Trudy, hope this little video helps you out, it has 3 types of ladders you can DIY,
Without knowing more about it, a ladder might be best but keep in mind best design and building practices so no one gets hurt. Things are sized specifically to avoid injury.