Hundreds of protestors are already gathered at the base of the mountain that many Native Hawaiians call sacred. These demonstrators show they are here to stay; there are tents set up, lots of food, and even portable toilets.

Right across the street from them is the area where crews will bring the heavy materials up the mountain to construct the Thirty Meter Telescope on Monday. 

People camped out here say they're planning to stop this at any cost. They say the intend to be peaceful, but will try and block crews from coming in. It's a tactic that worked four years ago when crews tried to start construction. 

This time it's a little different. The state promises a strong presence of National Guard and police to help transport protestors off site. Organizers say even if they don't stop this tomorrow, they're in this for the long haul because the telescope wouldn't be finished until 2027.

Kaho'okahi Kanuha of the activist group HULI says, "Our budget is not based off of money, our budget is based off of aloha 'aina and love for this land. Money runs out; love doesn't. The question is, how committed are they to this ten year process? Because we will be there every step of the way, and I firmly believe at some point in time, we will stop them."

This all set to start 7 a.m. on Monday. That's when the state is blocking off the road that goes up the mountain. The county has also posted signs warning there could be delays along Saddle Road between Maunakea and Hilo.