The climate is generally mild, with warm summers and cold winters. The town is situated near the Madison River, which is an important source of hydrology constituents, including water for irrigation, recreation, and wildlife habitat. Visitors to Harrison can enjoy a range of outdoor recreation opportunities, including fishing, hiking, camping, and hunting. The nearby National Forests provide ample opportunities for exploring the great outdoors. Additionally, the town is home to a number of local businesses and restaurants, making it a great place to visit for those looking for a taste of authentic Montana culture.
Harrison receives approximately 381mm of rain per year, with humidity levels near 63% and air temperatures averaging around 7°C. Harrison has a plant hardyness factor of 5, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.
| Location | Reservations | Toilets |
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Harrison Lake FAS
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Lewis and Clark Caverns State Park
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Potosi Campground and Picnic Area
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Lewis & Clark Caverns Campground
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Potosi
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Potosi Campground
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