It is not a mountain to climb. It is a single internal pivot—Repentance (Metanoia: A change of mind). You give up being your own savior, and you trust Jesus Christ as your Savior.
"And they said, Believe on the Lord Jesus Christ, and thou shalt be saved, and thy house." (Acts 16:31)
God has made the invitation as wide as the human race. Scroll through the evidence of His invitation:
Isaiah 1:18"Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool."
Isaiah 45:22"Look unto me, and be ye saved, all the ends of the earth: for I am God, and there is none else."
Isaiah 55:1"Ho, every one that thirsteth, come ye to the waters, and he that hath no money; come ye, buy, and eat; yea, come, buy wine and milk without money and without price."
Joel 2:32"And it shall come to pass, that whosoever shall call on the name of the LORD shall be delivered."
Matthew 11:28"Come unto me, all ye that labour and are heavy laden, and I will give you rest."
Luke 19:10"For the Son of man is come to seek and to save that which was lost."
John 3:16"For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life."
John 3:36"He that believeth on the Son hath everlasting life: and he that believeth not the Son shall not see life; but the wrath of God abideth on him."
John 4:14"But whosoever drinketh of the water that I shall give him shall never thirst; but the water that I shall give him shall be in him a well of water springing up into everlasting life."
John 5:24"Verily, verily, I say unto you, He that heareth my word, and believeth on him that sent me, hath everlasting life, and shall not come into condemnation; but is passed from death unto life."
John 6:35"And Jesus said unto them, I am the bread of life: he that cometh to me shall never hunger; and he that believeth on me shall never thirst."
John 6:37"All that the Father giveth me shall come to me; and him that cometh to me I will in no wise cast out."
John 6:40"And this is the will of him that sent me, that every one which seeth the Son, and believeth on him, may have everlasting life: and I will raise him up at the last day."
John 6:47"Verily, verily, I say unto you, He that believeth on me hath everlasting life."
John 7:37"In the last day, that great day of the feast, Jesus stood and cried, saying, If any man thirst, let him come unto me, and drink."
John 11:25-26"Jesus said unto her, I am the resurrection, and the life: he that believeth in me, though he were dead, yet shall he live: And whosoever liveth and believeth in me shall never die. Believest thou this?"
Acts 2:21"And it shall come to pass, that whosoever shall call on the name of the Lord shall be saved."
Acts 10:43"To him give all the prophets witness, that through his name whosoever believeth in him shall receive remission of sins."
Romans 10:9"That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved."
Romans 10:11"For the scripture saith, Whosoever believeth on him shall not be ashamed."
Romans 10:13"For whosoever shall call upon the name of the Lord shall be saved."
1 Timothy 1:15"This is a faithful saying, and worthy of all acceptation, that Christ Jesus came into the world to save sinners; of whom I am chief."
2 Peter 3:9"The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance."
1 John 5:11"And this is the record, that God hath given to us eternal life, and this life is in his Son."
Revelation 3:20"Behold, I stand at the door, and knock: if any man hear my voice, and open the door, I will come in to him, and will sup with him, and he with me."
Revelation 22:17"And the Spirit and the bride say, Come. And let him that heareth say, Come. And let him that is athirst come. And whosoever will, let him take the water of life freely."