The best replacement for lakes is ponds.

The best alternatives to lakes are rated as following:
★★★★★  ponds
★★★★  rivers
★★★  oceans
★  dyes
★  garfield
★  antioch
  zebra mussels
  eutrophic lakes
  streams
  reservoirs
  herndon
  man made lakes
  cinco ranch
  ocean
  blanche ely
  caliente
  minnesota lakes
  memorial

Your alternative for lakes is not listed? Suggest!
Speaking about lakes, one probably shouldn't forget about mountains.

Other search terms related to lakes and their ratings are:
★★★★★ mountains
★★★★★ campgrounds
★ camping in california
You have in mind a companion for lakes and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lakes in all years. Click on graph for more.
lakes
ponds
rivers