Pillars of Loki
From Halopedia, the Halo wiki
"The Pillars of Loki" consisted of a forest of ten meter high poles placed at random intervals. Oftenly with booby traps strung on, by the Drill Instructors, to teach the importance of moving slowly and keeping one's eyes open. This Location is situated in Military Reservation 01478/B. And has been used multiple times by Senior Petty Officer Franklin Mendez in the training of the SPARTAN-II soldiers. This is the place where the Master Chief tested the MJOLNIR armor mark V
Known Booby Traps used
Stun Grades, Sharpened Sticks
References
Fall or Reach page 254 Fall of Reach page 261
