Either Topaz Denoise or Imagenomic Noiseware
If you're a professional or make more than a dollar off of prints, you need to get a Wapusk Park Photography Permit which the the lodge can provide prior to your arrival. Noiseware leads the field for speed, quality and ease-of-use in restoring image fidelity by eliminating digital noise and unwanted artifacts introduced by high ISO photography and less than optimal environmental conditions. Noiseware Professional (use this link) Plug-in for Windows works with both 8-bit and 16-bit images, provides Photoshop action support, and is compatible. German-CORE Serial: 23-Nov-2020.
Noise Reduction Roundup Images
This image was saved as JPEG 12 in Adobe Photoshop CS4. The Suggestion version was processed the same way, but with the instructions found below the links. As you can see from the images below the results are outstanding. Hover over images to see before and after (using auto) results, but you have to look very carefully. Hints about where to look are included for each image, but its best to click the hyperlinks to see the full size images and switch between tabs in your browser to see the differences. You may download and compare them in Photoshop, but please delete them when you are done comparing.