Grindstone Loop

Managing agency

Rio Grande NF — Divide RD

Grindstone Loop is a 10.0-mile out-and-back trail located in Colorado near Colorado, managed by Rio Grande National Forest's Divide Ranger District. The trail offers a substantial hiking experience in the San Juan Mountains region, providing access to the forest's diverse terrain and ecosystems. This route is suitable for hikers seeking a moderate to challenging day hike in the Rio Grande National Forest. The trail traverses through the managed lands of the Divide Ranger District, showcasing the natural features characteristic of the area. The out-and-back format allows hikers to turn back at any point, making it flexible for various fitness levels and time constraints. Rio Grande National Forest provides numerous recreational opportunities across its expanse, and Grindstone Loop contributes to the region's hiking infrastructure. Visitors should come prepared for mountain conditions and check current trail conditions before heading out. The forest's high elevation terrain and variable weather patterns are typical considerations for this area. For the most current information on trail conditions, access, and any seasonal closures, contact the Divide Ranger District directly or visit the Rio Grande National Forest website.