Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 5/24/2026 12:00 AM EDT
All Vehicles MUST be Parked Completely Outside of White Lines
During busy holiday weekends, many vehicles will be parking along side park roadways. For your safety and the safety of others, and access for emergency vehicles, all vehicles must be parked with ALL FOUR TIRES outside of the white line to ensure traffic lanes are open and clear. Please drive slowly and watch (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 5/23/2026 12:00 AM EDT
09:30 Sat 5/23 Update - Main Dunes Parking FULL - Watch for Pedestrians!
As of 9:30 am, The main Dunes Lot is FULL. Please drive slowly and watch for pedestrians on roadway. Follow directions of park rangers directing traffic.
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/15/2026 12:00 AM EDT
Medano Pass PARTIALLY OPEN for Season
Southern access to the road is open between castle creek picnic area and creek crossing four (6.4 miles from beginning of road). The road is closed between creek crossing four and the park boundary at Medano Pass for road maintenance. At this time there is no access to the Medano Primitive Road from the north on Forest Service road (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/15/2026 12:00 AM EDT
Air Compressor at Amphitheater Parking Area OPEN for Season
The air compressor and tire filling station at the Amphitheater Parking Area is OPEN for the Season. It is still recommended that vehicle operators using the Medano Pass Primitive 4WD Road be prepared with their own portable air compressor before deflating tires in the (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 12/4/2025 12:00 AM EST
Visitor Center Delayed Opening at 10 am Thur. Dec. 4th due to Snow.
The Great Sand Dunes Visitor Center hours today will be 10 am to 4:30 pm to allow park staff time to clear snow from parking lots and sidewalks. Area roads and park roads are plowed but icy. Please drive slowly and with caution if you are visiting the park today.
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 11/13/2025 12:00 AM EST
Medano Pass Primitive Road Impassible to Most Vehicles at Crossing Two
Driving the Medano Primitive Road is NOT ADVISED at this time. Erosion and deep mud near the second creek crossing are making the road impassible to most vehicles. There have been many instances the area is blocked by a stuck vehicle. All vehicle operators will be responsible for their own vehicle (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 10/12/2025 12:00 AM EDT
What to Expect During Government Funding Lapse
In general, other areas within this park remain as accessible as possible. Visitors should be aware that while some services are unavailable visitors are expected to protect park resources by following all regulations and “Leave No Trace” practices. As of Sunday 10-12-2025, the Visitor Center and WNP Park Store are open (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 8/11/2025 6:10 PM EDT
Trail CLOSED Between Visitor Center and Montville Trailhead
The access train that leads from the visitor center to the Montville and Mosca Pass Trails is CLOSED due to construction. Hikers may start at the Montville Trail parking lot. Visitor Center access remains open.
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 8/11/2025 5:48 PM EDT
Trail CLOSED Between Visitor Center and Montville Trailhead
The access train that leads from the visitor center to the Montville and Mosca Pass Trails is CLOSED due to construction. Hikers may start at the Montville Trail parking lot.
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 8/4/2025 6:54 PM EDT
Air Quality at MODERATE Due to Smoky Conditions
For Unusually Unusually sensitive people: Consider making outdoor activities shorter and less intense. Watch for symptoms such as coughing or shortness of breath. These are signs to take it easier.
National Parks Alerts