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Trigg Observation Tower: A Window to Shawnee National Forest

Climb the historic Trigg Observation Tower for panoramic views of Shawnee National Forest and a glimpse into fire-watching history.

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The Trigg Observation Tower, located in the Shawnee National Forest near Simpson, Illinois, is the last remaining climbable fire tower of the sixteen that once stood in the forest. Originally built in 1934, it offers panoramic views of the surrounding Shawnee Hills. Though partially dismantled for safety, it remains a popular spot for visitors seeking a glimpse into the forest's past and present.

A brief summary to Trigg Observation Tower

  • Trigg Tower Rd & Rushing Rd, Simpson, IL, 62985, US

Local tips

  • Pack a picnic blanket to enjoy the open grassy area around the tower.
  • Visit during sunrise or sunset for the most stunning views.
  • Be aware that the tower is old and may shake slightly when others are climbing.
  • Report any suspicious activity or vandalism to help preserve the site.
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Getting There

  • Driving

    From Vienna, IL, travel east on State Hwy 147 for 9.4 miles to Simpson. Turn north (left) onto Trigg Tower Road and continue for two miles. The tower will be on the right, with a small parking lot at the base. From US Hwy 45, head east on Ozark Road, then turn south (right) onto Trigg Tower Road for 4.5 miles. The tower will be on the left. Be aware that Trigg Tower Road is a mix of asphalt and gravel, and there may be potholes. Parking is free.

  • Walking

    If you're already exploring the East Trigg Trailhead, the tower is a short walk away. Follow the trail towards the tower. Equestrians can use the wooden highline at the East Trigg Trailhead to tie up horses and mules before walking to the tower.

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Discover more about Trigg Observation Tower

Trigg Observation Tower stands as a testament to the early days of forest fire detection in the Shawnee National Forest. Constructed in 1934 by the Civilian Conservation Corps (CCC), the original wooden tower was replaced in 1938-39 with a 100-foot steel structure. Tower men would keep a keen eye out to spot distant clouds of smoke. By quickly locating the fire, tower men helped ground crews reach the fire early. In 1973, the top 50 feet were removed due to safety concerns, leaving the observation platform that visitors can still climb today. From this vantage point, one can appreciate the rolling hills and diverse landscapes of the Shawnee National Forest. The tower is the only remaining fire lookout of the sixteen that were originally constructed in the Shawnee National Forest. While the tower has faced issues with vandalism over the years, recent maintenance efforts by the U.S. Forest Service aim to preserve this historic landmark. Visitors are encouraged to report any suspicious activity to help maintain the site for future generations. Despite the graffiti, the view from the top, especially during sunrise, sunset, or the fall color season, makes it a worthwhile stop.

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