Adventure Collective
Mystery Hill Guided Tours & Gem Mining in Onsted, MI - Detroit

Mystery Hill Guided Tours & Gem Mining in Onsted, MI

Onstedeasy

Difficulty

easy

Duration

1–3 hours

Fitness Level

Suitable for most ages and fitness levels; minimal physical exertion required.

Overview

Mystery Hill in Onsted, Michigan offers more than just a hike—experience gravity puzzles, gemstone mining, and fossil digs that spark curiosity and hands-on adventure for all ages.

Boat Tour
Fajardo, Fajardo

Culebra Snorkeling and Beach Tour

Culebra Power Boat • 6 hours trip • Ages 4 and older!

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Adventure Photos

Culebra Snorkeling and Beach Tour photo 1

About This Adventure

Embark on a thrilling aquatic adventure to Culebra Island aboard a high-speed catamaran! Enjoy stunning beaches like Flamenco, delicious deli-style lunch boxes, and refreshing beverages. With easy access to the water and floating devices, this unique experience promises a memorable day of sun, sand, and fun for families with children aged 4 and older.

A Unique, Fun Aquatic Adventure to Culebra Island!

Details:

  • Tour time: During holiday's trip might depart earlier call for more info
  • Check-in time: 45 minutes prior to departure time
  • Departing marina: Puerto Del Rey, Fajardo Puerto Rico
  • Ages: Children of the age of 4 yrs and older **IMPORTANT INFORMATION
  • Children under 4 of age, pregnant and person with back or neck injury are NOT allowed

Includes:

  • deli stylelunch buffet
  • Beverages, including rum drinks
  • Floating devices
  • Swim platforms where our guest have easy access to the water

Upon departing marina Puerto Del Rey, we head straight out to Culebra along the Cordillera Islands. After about 45 minutes on our high-speed catamaran, we arrive at one of Culebra’s beautiful beaches.

Our usual destination is Flamenco beach. Occasionally due to water conditions, we may choose Culebrita, Playa Tortuga, or another beautiful beach that will be the best to enjoy the day. We depart Culebra around 1:15 pm, returning to the marina around 2:30 pm.

Lunch is served at approximately 11:45-12:00 pm, where our guests can enjoy pre-packed lunch boxes that include wrap, fresh fruit, our signature pasta salad, chips. (If you have any dietary allergies, please inform us upon making reservations.)

*Catamaran used for our Power catamaran to Culebra trips Caribe Spirit / Island Flyer / Tropical Escape

Adventure Tips

Wear comfortable footwear

Uneven terrain around the gravity hill and mining areas calls for sturdy, closed-toe shoes.

Bring water and snacks

Tours can last several hours, so stay hydrated and energized during your visit.

Prepare for outdoor weather

Tours and mining activities take place outside; dress appropriately for sun or rain.

Capture photos without flash

Preserve the natural setting and enjoy clearer images by avoiding flash photography, especially in shaded areas.

Local Insights

Wildlife

  • White-tailed deer common in surrounding woodlands
  • Various songbird species during migration seasons

History

Mystery Hill's gravity hill phenomenon has intrigued visitors for decades, contributing to regional folklore about natural optical illusions.

Conservation

Mystery Hill encourages sustainable visitation practices to protect its unique geological features and local ecosystem.

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Adventure Hotspots in Detroit

Frequently Asked Questions

Recommended Gear

Sturdy hiking shoes

Essential

Protects feet on uneven terrain and provides comfort throughout tours and mining.

Sun protection

Essential

Sunscreen, hats, and sunglasses help prevent sunburn during outdoor activities.

summer specific

Light rain jacket

Keeps you dry during occasional spring showers common in Michigan.

spring specific

Reusable water bottle

Essential

Staying hydrated is key during tours and gem mining sessions.