Northern Mining Company

08/15/2026

Grab a bag of mining rough, head out to the Mighty Sluice, and see what treasures you uncover. You could find gemstones, crystals, fossils, arrowheads, emeralds and SO much more! 💎🦴✨

It’s a fun little U.P. adventure for kids, families… and grown-ups who still get a little too excited when they find a shiny rock. 😄

📍 The Warehouse | 1140 W. 3 Mile Rd., Sault Ste. Marie
⛏️ Open Monday–Friday, too!

Come mine with us! 💎

07/25/2026

Looking for a family-friendly stop this weekend? Come spend some time at the sluice and see what treasures you uncover. Every bag is full of surprises!

 SaultSteMarie ExploreTheUP WeekendFun KidsActivities TreasureHunt 💎

07/03/2026

🇺🇸🇺🇸Celebrating 250!🇺🇸🇺🇸

🇺🇸 We’re celebrating America over here at The Warehouse until 1 PM today… then we’ll be heading home to celebrate with our families.

If you need a little last minute red, white, and blue, we’ve got you covered with patriotic gear, fresh squeezed lemonades, Northern Mining Co. gem mining, ice cream, great food, and plenty of festive fun.

Stop by, say hello, and kick off your holiday weekend with us before we close for the day.

Wishing everyone a safe, happy, and memorable Independence Day weekend! ❤️🤍💙

06/27/2026

⛏️ Strike it rich at The Mighty Sluice!

Grab a bag of mining rough, sift through the rushing water, and discover gemstones, crystals, fossils, arrowheads, and more. It’s hands-on fun that’s a hit with kids... and adults can’t resist joining in, too!

📍 The Warehouse
1140 W. 3 Mile Rd., Sault Ste. Marie (in front of Meijer)

Warehouse Hours
🗓 Monday: 6 AM to 6 PM
🗓 Tuesday: 6 AM to 6 PM
🗓 Wednesday: 6 AM to 6 PM
🗓 Thursday: 6 AM to 8 PM
🗓 Friday: 6 AM to 6 PM (closing at 1pm on July 3rd)
🗓 Saturday: 8 AM to 3 PM (closed on July 4th)

Who knows what treasure you’ll uncover? 💎

06/06/2026

🤠 Strike it rich this Saturday at The Mighty Sluice! ⛏️💎

With lots of mining rough options starting at just $10, there's a treasure hunt for every prospector.

Search for gemstones, fossils, crystals, arrowheads, tumbled rocks, and other hidden treasures waiting to be uncovered.

Round up your crew, grab a bag, and see what riches are hiding in the dirt. Fun for all ages and one of the best bargains in town! 🌟

06/03/2026

Forget screen time. Try treasure time. 💎⛏️

05/11/2026

We Are Open for the season!!

💎⛏️ Mining Season Begins Today! ⛏️💎

Northern Mining Company and the Mighty Sluice officially open TODAY during Free Play Sand Day!

Here’s the deal: Free play sand is FREE and perfect for sandboxes and backyard fun.

Gem mining is separate. To gem mine, you’ll purchase your mining rough inside The Warehouse, then head outside to the Mighty Sluice to wash away the dirt and uncover your treasures!

Kids can discover gemstones, crystals, emeralds, fossils, arrowheads, tumbled stones, and more.

It’s hands-on, messy-in-the-best-way fun, and the treasure hunt begins today!

📍 The Warehouse | Sault Ste. Marie
🕒 Open today 8am–3pm (and then during regular store hours for the rest of the season)
⛏️ Come dig, discover, and make some memories with u

05/09/2026

🚨⛏️ THE MINING SEASON BEGINS TODAY! ⛏️🚨

The wait is over… Northern Mining Company officially opens today during our FREE Play Sand Day in the Sault! 🌞🏴‍☠️💎

And this year? We’ve added EVEN MORE treasures for kids to discover.

Here’s how it works:
1️⃣ Come inside The Warehouse and choose your bag of mining rough
2️⃣ Head outside to the Mighty Sluice
3️⃣ Wash away the dirt and uncover hidden treasure like a real prospector!

Kids can choose bags containing:
💚 Emeralds
✨ Crystals
💎 Gemstones
🪨 Tumbled gemstones (including 1 natural pencil point polished stone!)
🦴 Fossils
🏹 Arrowheads

Want the BIG haul? Grab a 10lb Crystal Quest or Motherload bag loaded with an even larger mix of treasures and collections! 🌈⛏️

It’s hands-on, exciting, messy-in-the-best-way fun… and honestly? Watching kids discover their treasure never gets old. Every scoop feels like a tiny backyard expedition into a pirate cave mixed with a geology lab. 😄

📍 The Warehouse | Sault Ste. Marie

🕒 Northern Mining Company will be open during normal business hours:
Mon, Tues, Wed & Fri: 6am–6pm
Thursday: 6am–8pm
Saturday: 8am–3pm

🗓️ Opening Day: Saturday, May 9

Come dig, discover, explore, and make some memories with us!