Monon Lake

Mt. Jefferson from Olallie Lake

  • Easy (around Monon Lake)
  • 2.9-mile loop
  • 100 feet elevation gain
  • Open July to mid-October
  • Use: hikers, bicycles


  • Moderate (starting from Olallie Lake)
  • 6.9-mile loop
  • 200 feet elevation gain

As you hike around the many-bayed shore of Monon Lake you’ll gain a view of nearby Mt. Jefferson, pass bedrock worn smooth by Ice Age glaciers, and visit an area changed by a 2001 fire. For a longer hike with even better views, start at the old-timey resort on Olallie Lake. Mosquitoes can be a problem in July.

From Interstate 205 near Oregon City, take exit …

This chapter taken from the book 100 Hikes/Travel Guide: Northwest Oregon & Southwest Washington.