Giant cats and dogs climb dams in Portland Army Corps of Engineers calendar

giant cream colored cat photoshopped onto a ledge of a hydroelectric dam
U.S. Army Corps of Engineers calendar Mabel the cat photoshopped onto The Dalles Lock & Dam in the 2025 U.S. Army Corps of Engineers Portland District calendar.

If you love cute pets and government infrastructure, have we got a calendar for you.

The Portland District of the U.S. Army Corps of Engineers has released two versions of its 2025 digital calendar: one featuring enormous cats lounging across dams and jetties, and one featuring giant dogs swimming across navigation locks and reservoirs.

This is the third year for the calendar project, which started with a viral cat calendar for 2023. Last year, the corps added a dog version.

oversized pug is photoshopped to be the same size as the boat it is swimming alongside
U.S. Army Corps of Engineers calendar September’s dog in the U.S. Army Corps of Engineers Portland District calendar, appropriately named Bob, is shown swimming across the Columbia River.

All the pets featured in the calendars are owned by employees from across the Portland District, which covers most of Oregon and southwest Washington.

The corps operates locks and dams, manages hydropower operations, and keeps rivers open for navigation by maintaining jetties and dredging. Structural engineering is important stuff, but not exactly exciting government work.

giant dog next to a jetty
U.S. Army Corps of Engineers calendar A giant pup named Charlie is photoshoped next to the Columbia River jetty.

So, the social media team at the Portland District has taken a sillier approach to teaching the public about its operations. The agency’s Instagram account, with 16,5000 followers, describes itself as “The chaotic lovechild of an engineering textbook and a meme factory.”

In addition to simply enjoying photoshopped versions of giant pets interacting with various infrastructure projects, calendar users will learn interesting facts about corps projects across the Portland district.

Did you know: The 6-mile south jetty at the mouth of the Columbia River is the longest jetty in the U.S., and the Bonneville Dam, built as part of President Franklin Roosevelt’s New Deal, was the first federal dam on the Columbia River.

Learn more (and see more cats and dogs) by downloading the free calendars below:

2025 Cat Calendar

2025 Dog Calendar

— Samantha Swindler covers features for The Oregonian/OregonLive and Here is Oregon. Reach her at sswindler@oregonian.com.

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